Data Report
Focal mechanisms / 200102
Contributed by NIED
Earthquake Information 2001/02/28,17:07(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/28,17:07 | 27.0 N | 127.5 E | 110 km | Mj 4.8 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
188 ; 95 | 84 ; 60 | 30 ; 173 | 8.30e+15 Nm | 89 km | Mw 4.6 | 91.39 |
Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region
Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/28,03:14(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/28,03:14 | 29.4 N | 130.6 E | 70 km | Mj 3.5 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
221 ; 127 | 84 ; 58 | 32 ; 173 | 2.30e+15 Nm | 77 km | Mw 4.2 | 70.36 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/26,23:29(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/26,23:29 | 24.4 N | 125.2 E | 50 km | Mj 4.7 | NEAR_MIYAKOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
12 ; 257 | 75 ; 32 | 62 ; 151 | 1.90e+16 Nm | 23 km | Mw 4.8 | 95.45 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/26,06:08(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/26,06:08 | 37.1 N | 142.3 E | 10 km | Mj 5.6 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
14 ; 190 | 67 ; 23 | 92 ; 86 | 1.13e+17 Nm | 29 km | Mw 5.3 | 94.75 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/26,04:58(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/26,04:58 | 27.5 N | 128.6 E | 40 km | Mj 4.3 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
245 ; 61 | 52 ; 38 | 92 ; 87 | 1.59e+15 Nm | 47 km | Mw 4.1 | 76.48 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/26,03:48(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/26,03:48 | 33.9 N | 135.4 E | 60 km | Mj 3.7 | CENTRAL_WAKAYAMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
352 ; 96 | 79 ; 37 | -54 ; -162 | 3.64e+14 Nm | 53 km | Mw 3.7 | 72.50 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/26,02:22(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/26,02:22 | 25.0 N | 127.1 E | 30 km | Mj 4.9 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
256 ; 64 | 83 ; 8 | 92 ; 77 | 4.58e+16 Nm | 17 km | Mw 5.1 | 93.23 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/25,05:34(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/25,05:34 | 35.2 N | 141.3 E | 50 km | Mj 4.1 | E_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
71 ; 289 | 75 ; 19 | 79 ; 127 | 1.27e+16 Nm | 35 km | Mw 4.7 | 66.55 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/25,05:05(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/25,05:05 | 34.8 N | 139.6 E | 20 km | Mj 4.3 | SAGAMINADA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
52 ; 282 | 62 ; 39 | 61 ; 133 | 4.46e+15 Nm | 8 km | Mw 4.4 | 93.33 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/24,21:54(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/24,21:54 | 37.2 N | 142.2 E | shallow | Mj 5.8 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
2 ; 214 | 74 ; 18 | 80 ; 121 | 4.67e+17 Nm | 29 km | Mw 5.7 | 94.18 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/23,19:18(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/23,19:18 | 23.5 N | 121.7 E | 80 km | Mj 4.3 | TAIWAN_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
55 ; 307 | 64 ; 57 | -143 ; -31 | 2.68e+15 Nm | 59 km | Mw 4.3 | 79.79 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/23,14:13(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/23,14:13 | 41.1 N | 145.4 E | 70 km | Mj 3.9 | FAR_SE_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
38 ; 158 | 67 ; 41 | 125 ; 37 | 3.47e+14 Nm | 44 km | Mw 3.7 | 58.71 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/22,23:58(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/22,23:58 | 35.5 N | 134.5 E | 10 km | Mj 4.1 | NORTHERN_HYOGO_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
192 ; 282 | 89 ; 73 | -17 ; -179 | 7.94e+14 Nm | 8 km | Mw 3.9 | 94.51 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/22,22:23(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/22,22:23 | 34.8 N | 137.5 E | 50 km | Mj 5.3 | HAMANAKO_LAKE_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
195 ; 303 | 62 ; 60 | -34 ; -147 | 2.43e+16 Nm | 32 km | Mw 4.9 | 95.04 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/22,13:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/22,13:43 | 24.8 N | 123.3 E | 20 km | Mj 3.8 | NW_OFF_ISHIGAKIJIMA_IS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
76 ; 195 | 67 ; 41 | -55 ; -143 | 1.28e+15 Nm | 5 km | Mw 4.0 | 78.87 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/21,16:59(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/21,16:59 | 33.4 N | 137.4 E | 360 km | Mj 4.8 | SE_OFF_KII_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
181 ; 51 | 73 ; 25 | 71 ; 136 | 2.13e+16 Nm | 340 km | Mw 4.9 | 89.65 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/20,20:32(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/20,20:32 | 24.8 N | 123.3 E | 30 km | Mj 4.2 | NW_OFF_ISHIGAKIJIMA_IS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
287 ; 70 | 61 ; 35 | -70 ; -122 | 3.74e+15 Nm | 5 km | Mw 4.3 | 91.90 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/20,18:05(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/20,18:05 | 32.4 N | 131.3 E | 90 km | Mj 4.0 | NORTHERN_MIYAZAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
160 ; 67 | 82 ; 71 | -160 ; -8 | 1.11e+15 Nm | 74 km | Mw 4.0 | 82.52 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/20,14:15(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/20,14:15 | 37.0 N | 142.2 E | 30 km | Mj 3.7 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
159 ; 9 | 57 ; 36 | 73 ; 115 | 3.12e+14 Nm | 23 km | Mw 3.6 | 76.38 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/18,20:25(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/18,20:25 | 23.4 N | 120.7 E | 60 km | Mj 4.1 | TAIWAN_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
263 ; 170 | 88 ; 33 | 57 ; 176 | 1.37e+16 Nm | 35 km | Mw 4.7 | 90.01 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/18,17:13(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/18,17:13 | 27.7 N | 127.4 E | shallow | Mj 3.5 | NW_OFF_OKINAWAJIMA_IS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
226 ; 134 | 83 ; 68 | -158 ; -7 | 9.07e+14 Nm | 14 km | Mw 3.9 | 92.94 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/18,07:17(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/18,07:17 | 36.1 N | 139.9 E | 60 km | Mj 4.1 | SW_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
47 ; 232 | 73 ; 17 | 89 ; 95 | 2.37e+15 Nm | 53 km | Mw 4.2 | 94.32 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/17,01:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/17,01:03 | 43.8 N | 146.4 E | 40 km | Mj 4.2 | NEAR_KUNASHIRI_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
268 ; 165 | 68 ; 61 | -149 ; -26 | 8.86e+14 Nm | 14 km | Mw 3.9 | 81.69 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/17,00:17(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/17,00:17 | 24.5 N | 123.5 E | 10 km | Mj 4.1 | NW_OFF_ISHIGAKIJIMA_IS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
278 ; 158 | 76 ; 26 | -112 ; -34 | 8.29e+14 Nm | 8 km | Mw 3.9 | 82.17 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/16,23:13(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/16,23:13 | 24.7 N | 122.8 E | 80 km | Mj 4.9 | NW_OFF_ISHIGAKIJIMA_IS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
125 ; 220 | 88 ; 19 | 109 ; 6 | 3.90e+16 Nm | 62 km | Mw 5.0 | 83.23 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/15,17:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/15,17:19 | 35.5 N | 134.5 E | 10 km | Mj 4.3 | NORTHERN_HYOGO_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
57 ; 327 | 88 ; 82 | -172 ; -2 | 1.30e+15 Nm | 8 km | Mw 4.0 | 96.96 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/15,06:37(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/15,06:37 | 44.6 N | 150.0 E | 30 km | Mj 3.9 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
59 ; 287 | 87 ; 5 | 86 ; 137 | 1.17e+16 Nm | 8 km | Mw 4.7 | 71.08 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/15,01:10(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/15,01:10 | 34.4 N | 139.9 E | 40 km | Mj 4.0 | FAR_S_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
294 ; 72 | 84 ; 8 | 95 ; 48 | 1.05e+15 Nm | 41 km | Mw 4.0 | 54.05 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/15,00:47(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/15,00:47 | 42.6 N | 139.1 E | 20 km | Mj 3.9 | SW_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
83 ; 259 | 58 ; 33 | 92 ; 87 | 2.90e+14 Nm | 5 km | Mw 3.6 | 52.46 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/14,23:07(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/14,23:07 | 42.6 N | 145.1 E | 30 km | Mj 3.7 | OFF_NEMURO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
38 ; 135 | 76 ; 64 | 154 ; 15 | 2.06e+14 Nm | 8 km | Mw 3.5 | 83.84 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/14,20:33(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/14,20:33 | 36.9 N | 139.7 E | 10 km | Mj 3.6 | NORTHERN_TOCHIGI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
272 ; 182 | 90 ; 81 | -171 ; -0 | 1.66e+14 Nm | 5 km | Mw 3.4 | 83.32 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/14,19:45(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/14,19:45 | 36.3 N | 140.5 E | 70 km | Mj 4.3 | NORTHERN_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
241 ; 124 | 77 ; 27 | -114 ; -29 | 7.87e+14 Nm | 77 km | Mw 3.9 | 67.68 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/13,19:12(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/13,19:12 | 25.2 N | 123.7 E | 10 km | Mj 4.3 | NW_OFF_ISHIGAKIJIMA_IS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
180 ; 303 | 63 ; 43 | 125 ; 41 | 2.79e+16 Nm | 35 km | Mw 4.9 | 85.99 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/13,18:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/13,18:28 | 28.8 N | 130.1 E | 30 km | Mj 4.3 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
181 ; 289 | 80 ; 29 | -62 ; -159 | 3.30e+16 Nm | 32 km | Mw 5.0 | 81.67 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/12,23:35(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/12,23:35 | 36.1 N | 140.9 E | 40 km | Mj 3.8 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
338 ; 238 | 87 ; 19 | -109 ; -10 | 1.52e+14 Nm | 32 km | Mw 3.4 | 75.83 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/12,19:15(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/12,19:15 | 42.9 N | 141.8 E | 150 km | Mj 3.5 | ISHIKARI_DEPRESSION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
263 ; 166 | 89 ; 11 | -101 ; -7 | 6.86e+14 Nm | 125 km | Mw 3.9 | 60.72 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/12,18:04(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/12,18:04 | 36.0 N | 140.1 E | 60 km | Mj 3.8 | SOUTHERN_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
1 ; 190 | 62 ; 28 | 86 ; 97 | 6.39e+14 Nm | 62 km | Mw 3.8 | 88.87 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
retreive digital waveform data
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Earthquake Information 2001/02/12,16:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/12,16:19 | 34.3 N | 139.2 E | shallow | Mj 4.2 | NEAR_NIIJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
316 ; 195 | 55 ; 54 | -134 ; -45 | 5.32e+15 Nm | 5 km | Mw 4.5 | 61.13 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

Seismograms
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Earthquake Information 2001/02/11,14:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/11,14:30 | 43.4 N | 147.0 E | 40 km | Mj 3.9 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
57 ; 235 | 78 ; 12 | 90 ; 88 | 1.33e+15 Nm | 47 km | Mw 4.0 | 90.03 |

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Earthquake Information 2001/02/11,03:52(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/11,03:52 | 39.1 N | 142.4 E | 60 km | Mj 4.5 | E_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
173 ; 359 | 61 ; 29 | 87 ; 95 | 1.05e+15 Nm | 53 km | Mw 4.0 | 91.34 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/11,00:17(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/11,00:17 | 35.4 N | 133.3 E | 10 km | Mj 4.4 | WESTERN_TOTTORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
95 ; 185 | 89 ; 87 | 177 ; 1 | 2.66e+15 Nm | 5 km | Mw 4.2 | 96.73 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/10,16:18(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/10,16:18 | 37.9 N | 140.7 E | 120 km | Mj 4.2 | SOUTHERN_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
159 ; 301 | 50 ; 47 | -64 ; -118 | 1.85e+15 Nm | 119 km | Mw 4.1 | 90.39 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

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Earthquake Information 2001/02/10,08:45(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/10,08:45 | 37.2 N | 138.6 E | 20 km | Mj 3.6 | MID_NIIGATA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
30 ; 209 | 52 ; 38 | 90 ; 90 | 2.08e+14 Nm | 5 km | Mw 3.5 | 58.60 |

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past earthquakes occurring in this region

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Earthquake Information 2001/02/09,21:37(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/09,21:37 | 30.6 N | 131.6 E | 50 km | Mj 4.0 | E_OFF_TANEGASHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
70 ; 183 | 72 ; 41 | 128 ; 29 | 3.64e+15 Nm | 20 km | Mw 4.3 | 74.28 |

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past earthquakes occurring in this region

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Earthquake Information 2001/02/08,22:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/08,22:43 | 24.2 N | 125.3 E | 10 km | Mj 3.9 | NEAR_MIYAKOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
7 ; 257 | 77 ; 35 | 58 ; 156 | 4.57e+14 Nm | 41 km | Mw 3.7 | 80.95 |

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past earthquakes occurring in this region

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Earthquake Information 2001/02/08,19:33(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/08,19:33 | 41.5 N | 142.1 E | 70 km | Mj 3.9 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
16 ; 218 | 61 ; 30 | 79 ; 109 | 1.14e+15 Nm | 47 km | Mw 4.0 | 87.79 |

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Earthquake Information 2001/02/08,12:52(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/08,12:52 | 24.2 N | 125.2 E | shallow | Mj 4.4 | NEAR_MIYAKOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
35 ; 273 | 74 ; 28 | 66 ; 144 | 4.25e+15 Nm | 23 km | Mw 4.4 | 94.88 |

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Earthquake Information 2001/02/08,10:01(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/08,10:01 | 24.2 N | 125.3 E | 20 km | Mj 5.2 | NEAR_MIYAKOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
186 ; 280 | 87 ; 45 | -45 ; -175 | 2.22e+16 Nm | 29 km | Mw 4.9 | 97.64 |

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Earthquake Information 2001/02/08,05:41(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/08,05:41 | 24.2 N | 125.4 E | 50 km | Mj 5.9 | NEAR_MIYAKOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
26 ; 251 | 75 ; 21 | 75 ; 134 | 6.10e+17 Nm | 35 km | Mw 5.8 | 97.25 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/08,05:12(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/08,05:12 | 33.9 N | 134.5 E | 20 km | Mj 4.7 | TOKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
61 ; 152 | 85 ; 80 | 169 ; 5 | 2.68e+15 Nm | 20 km | Mw 4.3 | 96.27 |

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Earthquake Information 2001/02/06,22:34(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/06,22:34 | 24.1 N | 125.4 E | 20 km | Mj 3.9 | NEAR_MIYAKOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
39 ; 207 | 72 ; 18 | 94 ; 79 | 1.08e+15 Nm | 29 km | Mw 4.0 | 97.69 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/06,22:21(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/06,22:21 | 24.3 N | 125.2 E | shallow | Mj 3.9 | NEAR_MIYAKOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
252 ; 137 | 71 ; 38 | -124 ; -31 | 1.25e+15 Nm | 17 km | Mw 4.0 | 93.90 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/06,22:01(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/06,22:01 | 34.2 N | 139.3 E | 10 km | Mj 3.7 | NEAR_NIIJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
354 ; 91 | 78 ; 62 | -29 ; -166 | 2.16e+15 Nm | 5 km | Mw 4.2 | 95.13 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/06,21:57(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/06,21:57 | 24.2 N | 125.3 E | 10 km | Mj 4.7 | NEAR_MIYAKOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
38 ; 267 | 73 ; 24 | 72 ; 136 | 2.17e+16 Nm | 23 km | Mw 4.9 | 97.63 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/06,18:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/06,18:30 | 43.4 N | 147.0 E | 30 km | Mj 3.5 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
21 ; 232 | 68 ; 25 | 77 ; 119 | 2.81e+14 Nm | 23 km | Mw 3.6 | 75.43 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/06,07:40(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/06,07:40 | 26.1 N | 128.7 E | 50 km | Mj 3.9 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
29 ; 263 | 82 ; 13 | -100 ; -36 | 2.35e+15 Nm | 20 km | Mw 4.2 | 84.52 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/05,08:37(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/05,08:37 | 24.7 N | 121.8 E | 80 km | Mj 3.9 | TAIWAN_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
4 ; 246 | 58 ; 53 | -135 ; -41 | 2.61e+15 Nm | 32 km | Mw 4.2 | 91.81 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/05,01:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/05,01:46 | 34.4 N | 134.8 E | 10 km | Mj 3.7 | AWAJISHIMA_ISLAND_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
175 ; 31 | 64 ; 31 | 72 ; 121 | 1.08e+14 Nm | 8 km | Mw 3.3 | 81.43 |

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Earthquake Information 2001/02/04,23:54(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/04,23:54 | 24.3 N | 121.7 E | 70 km | Mj 3.8 | TAIWAN_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
254 ; 39 | 80 ; 12 | -83 ; -124 | 3.11e+15 Nm | 41 km | Mw 4.3 | 80.45 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/04,20:21(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/04,20:21 | 42.4 N | 144.6 E | 40 km | Mj 3.7 | SE_OFF_TOKACHI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
61 ; 200 | 74 ; 20 | 103 ; 50 | 3.43e+14 Nm | 20 km | Mw 3.7 | 72.08 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/04,19:17(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/04,19:17 | 37.4 N | 140.9 E | 80 km | Mj 4.6 | EASTERN_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
68 ; 236 | 62 ; 28 | -84 ; -101 | 4.15e+15 Nm | 71 km | Mw 4.4 | 96.37 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/04,18:34(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/04,18:34 | 34.2 N | 135.2 E | 10 km | Mj 3.7 | NW_WAKAYAMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
216 ; 4 | 53 ; 41 | 110 ; 65 | 2.21e+14 Nm | 5 km | Mw 3.5 | 88.33 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/04,12:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/04,12:03 | 36.6 N | 135.9 E | 10 km | Mj 3.8 | NW_OFF_HOKURIKU_DISTRICT |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
143 ; 53 | 89 ; 80 | 10 ; 178 | 2.61e+14 Nm | 8 km | Mw 3.6 | 88.12 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/03,00:24(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/03,00:24 | 35.5 N | 134.5 E | 10 km | Mj 3.5 | NORTHERN_HYOGO_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
145 ; 235 | 89 ; 73 | -17 ; -179 | 9.12e+13 Nm | 8 km | Mw 3.3 | 68.88 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region

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Earthquake Information 2001/02/02,09:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/02,09:43 | 41.5 N | 142.0 E | 60 km | Mj 4.3 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
13 ; 194 | 59 ; 31 | 90 ; 91 | 3.29e+15 Nm | 41 km | Mw 4.3 | 61.49 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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Earthquake Information 2001/02/01,23:10(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2001/02/01,23:10 | 35.5 N | 139.1 E | 10 km | Mj 4.4 | EASTERN_YAMANASHI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
19 ; 286 | 88 ; 35 | 55 ; 176 | 2.52e+15 Nm | 20 km | Mw 4.2 | 95.48 |

Mechanism(Solid line:observation, Dotted line:Synthetics)
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