Data Report
Focal mechanisms / 200304
Contributed by NIED
Earthquake Information 2003/04/30,08:29(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/30,08:29 | 37.1 N | 141.7 E | 40 km | Mj 4.4 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
19 ; 231 | 80 ; 12 | 84 ; 122 | 1.20e+15 Nm | 38 km | Mw 4.0 | 92.91 |
Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region
Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/29,13:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/29,13:53 | 43.5 N | 147.6 E | 50 km | Mj 6.1 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
65 ; 180 | 77 ; 29 | 116 ; 28 | 7.57e+17 Nm | 53 km | Mw 5.9 | 80.22 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/29,11:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/29,11:43 | 43.0 N | 144.2 E | 100 km | Mj 4.2 | KUSHIRO_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
263 ; 104 | 81 ; 10 | -93 ; -69 | 3.67e+15 Nm | 83 km | Mw 4.3 | 83.54 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/29,01:04(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/29,01:04 | 39.6 N | 142.1 E | 40 km | Mj 4.8 | E_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
247 ; 352 | 77 ; 42 | 130 ; 20 | 1.08e+15 Nm | 56 km | Mw 4.0 | 78.90 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/28,20:38(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/28,20:38 | 23.8 N | 122.5 E | 30 km | Mj 3.8 | NEAR_ISHIGAKIJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
67 ; 165 | 87 ; 22 | -68 ; -172 | 4.45e+15 Nm | 59 km | Mw 4.4 | 60.49 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/28,05:16(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/28,05:16 | 23.9 N | 123.4 E | 30 km | Mj 3.7 | NEAR_ISHIGAKIJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
159 ; 51 | 62 ; 60 | -145 ; -33 | 5.44e+14 Nm | 44 km | Mw 3.8 | 88.65 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/27,23:02(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/27,23:02 | 42.3 N | 143.0 E | 50 km | Mj 3.7 | HIDAKA_MOUNTAINS_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
137 ; 346 | 57 ; 36 | -107 ; -66 | 1.06e+15 Nm | 35 km | Mw 4.0 | 74.34 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/27,08:12(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/27,08:12 | 25.4 N | 126.7 E | shallow | Mj 3.5 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
53 ; 179 | 86 ; 7 | -85 ; -143 | 1.15e+15 Nm | 38 km | Mw 4.0 | 74.34 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/27,04:27(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/27,04:27 | 43.9 N | 147.5 E | 10 km | Mj 4.4 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
55 ; 273 | 53 ; 43 | 65 ; 120 | 1.38e+15 Nm | 38 km | Mw 4.1 | 74.53 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/26,22:10(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/26,22:10 | 31.5 N | 132.0 E | 50 km | Mj 3.6 | HYUGANADA_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
194 ; 339 | 57 ; 39 | -68 ; -119 | 2.43e+14 Nm | 23 km | Mw 3.6 | 82.85 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/26,09:34(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/26,09:34 | 35.0 N | 137.2 E | 40 km | Mj 3.6 | CENTRAL_AICHI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
60 ; 158 | 73 ; 66 | -26 ; -161 | 1.71e+14 Nm | 32 km | Mw 3.5 | 85.59 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/24,22:40(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/24,22:40 | 36.4 N | 141.1 E | 40 km | Mj 4.7 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
223 ; 108 | 77 ; 29 | -116 ; -28 | 2.00e+16 Nm | 32 km | Mw 4.8 | 82.18 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/24,20:34(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/24,20:34 | 36.5 N | 141.8 E | 70 km | Mj 4.0 | FAR_E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
47 ; 258 | 71 ; 22 | 79 ; 119 | 2.76e+15 Nm | 8 km | Mw 4.3 | 72.03 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/23,00:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/23,00:53 | 42.5 N | 145.0 E | 40 km | Mj 4.2 | OFF_NEMURO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
30 ; 252 | 62 ; 36 | 67 ; 126 | 1.60e+15 Nm | 32 km | Mw 4.1 | 85.95 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/21,20:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/21,20:42 | 26.2 N | 128.8 E | 30 km | Mj 4.3 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
47 ; 198 | 55 ; 39 | 107 ; 67 | 7.44e+15 Nm | 14 km | Mw 4.5 | 90.67 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/21,14:21(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/21,14:21 | 43.0 N | 145.9 E | 40 km | Mj 4.4 | OFF_NEMURO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
14 ; 219 | 60 ; 33 | 77 ; 112 | 5.87e+14 Nm | 41 km | Mw 3.8 | 77.69 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/21,05:07(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/21,05:07 | 36.6 N | 141.5 E | 30 km | Mj 4.2 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
26 ; 134 | 88 ; 6 | 96 ; 18 | 2.40e+15 Nm | 20 km | Mw 4.2 | 62.22 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/21,01:18(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/21,01:18 | 36.5 N | 140.9 E | 60 km | Mj 4.6 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
3 ; 135 | 59 ; 42 | 120 ; 50 | 5.27e+15 Nm | 56 km | Mw 4.4 | 82.10 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/19,12:57(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/19,12:57 | 44.3 N | 139.1 E | 10 km | Mj 4.2 | NW_OFF_SHAKOTAN_PEN |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
27 ; 219 | 66 ; 25 | 85 ; 101 | 3.38e+15 Nm | 5 km | Mw 4.3 | 86.02 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/17,15:40(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/17,15:40 | 42.6 N | 143.5 E | 70 km | Mj 4.4 | TOKACHI_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
287 ; 43 | 80 ; 22 | 109 ; 27 | 6.14e+16 Nm | 53 km | Mw 5.2 | 73.95 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/16,18:00(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/16,18:00 | 41.0 N | 142.3 E | 50 km | Mj 5.5 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
21 ; 151 | 77 ; 20 | 105 ; 41 | 1.31e+17 Nm | 56 km | Mw 5.4 | 76.14 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/16,15:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/16,15:28 | 28.0 N | 128.9 E | shallow | Mj 4.0 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
104 ; 314 | 47 ; 47 | -111 ; -69 | 4.21e+14 Nm | 5 km | Mw 3.7 | 73.58 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/15,14:56(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/15,14:56 | 31.7 N | 131.8 E | 40 km | Mj 4.3 | HYUGANADA_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
198 ; 91 | 86 ; 15 | -104 ; -17 | 6.33e+15 Nm | 32 km | Mw 4.5 | 83.31 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/14,21:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/14,21:43 | 24.9 N | 123.9 E | 90 km | Mj 4.1 | NW_OFF_ISHIGAKIJIMA_IS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
225 ; 112 | 80 ; 24 | 68 ; 156 | 2.43e+15 Nm | 80 km | Mw 4.2 | 79.65 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/14,03:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/14,03:46 | 42.4 N | 143.1 E | 50 km | Mj 4.3 | HIDAKA_MOUNTAINS_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
29 ; 211 | 64 ; 26 | 89 ; 92 | 2.48e+15 Nm | 53 km | Mw 4.2 | 91.57 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/14,02:52(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/14,02:52 | 36.3 N | 140.9 E | 50 km | Mj 3.9 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
242 ; 14 | 57 ; 44 | 122 ; 51 | 4.66e+14 Nm | 47 km | Mw 3.7 | 66.42 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/13,21:25(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/13,21:25 | 33.6 N | 132.2 E | 50 km | Mj 4.0 | IYONADA_SETONAIKAI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
225 ; 339 | 89 ; 3 | -87 ; -157 | 3.94e+14 Nm | 53 km | Mw 3.7 | 89.58 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/13,12:23(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/13,12:23 | 34.2 N | 139.2 E | 10 km | Mj 3.5 | NEAR_NIIJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
124 ; 331 | 72 ; 21 | -99 ; -64 | 1.92e+15 Nm | 5 km | Mw 4.2 | 72.29 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/13,06:58(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/13,06:58 | 35.7 N | 140.8 E | 40 km | Mj 3.8 | NEAR_CHOSHI_CITY |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
349 ; 189 | 68 ; 24 | 82 ; 108 | 9.80e+14 Nm | 59 km | Mw 4.0 | 74.64 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/12,04:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/12,04:28 | 32.0 N | 130.3 E | 10 km | Mj 4.8 | NW_KAGOSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
292 ; 202 | 89 ; 83 | 7 ; 179 | 1.57e+16 Nm | 11 km | Mw 4.8 | 96.14 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/11,19:33(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/11,19:33 | 41.8 N | 143.1 E | 40 km | Mj 3.6 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
266 ; 168 | 76 ; 62 | -151 ; -16 | 3.13e+14 Nm | 56 km | Mw 3.6 | 64.57 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/10,17:17(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/10,17:17 | 44.1 N | 147.9 E | shallow | Mj 4.3 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
45 ; 262 | 78 ; 15 | 81 ; 126 | 1.44e+15 Nm | 59 km | Mw 4.1 | 75.56 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/10,02:14(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/10,02:14 | 41.2 N | 142.5 E | 30 km | Mj 4.0 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
41 ; 222 | 77 ; 13 | -90 ; -89 | 1.75e+15 Nm | 44 km | Mw 4.1 | 60.66 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/10,00:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/10,00:03 | 36.4 N | 141.9 E | 70 km | Mj 3.7 | FAR_E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
40 ; 206 | 82 ; 8 | 92 ; 77 | 1.42e+15 Nm | 5 km | Mw 4.1 | 58.87 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/09,17:21(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/09,17:21 | 37.9 N | 141.9 E | 40 km | Mj 4.0 | SE_OFF_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
22 ; 187 | 74 ; 16 | 94 ; 76 | 6.86e+14 Nm | 38 km | Mw 3.9 | 77.19 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/09,13:35(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/09,13:35 | 42.7 N | 144.7 E | 50 km | Mj 4.0 | OFF_NEMURO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
54 ; 188 | 63 ; 37 | 115 ; 50 | 3.70e+14 Nm | 41 km | Mw 3.7 | 83.77 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/07,20:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/07,20:42 | 36.7 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 |
44 ; 190 | 80 ; 12 | 97 ; 57 | 5.49e+14 Nm | 11 km | Mw 3.8 | 61.51 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/07,19:17(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/07,19:17 | 36.1 N | 139.9 E | 50 km | Mj 4.8 | SW_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
232 ; 333 | 82 ; 39 | -52 ; -167 | 2.11e+16 Nm | 44 km | Mw 4.8 | 69.25 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/07,19:16(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/07,19:16 | 36.3 N | 142.0 E | 70 km | Mj 4.9 | FAR_E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
30 ; 196 | 73 ; 18 | 94 ; 76 | 1.77e+16 Nm | 14 km | Mw 4.8 | 79.06 |

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

Seismograms
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Earthquake Information 2003/04/07,18:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/07,18:28 | 36.3 N | 142.0 E | 20 km | Mj 5.8 | FAR_E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
20 ; 208 | 68 ; 22 | 87 ; 98 | 5.10e+17 Nm | 20 km | Mw 5.8 | 82.34 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/05,21:35(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/05,21:35 | 37.9 N | 141.9 E | 40 km | Mj 4.4 | SE_OFF_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
14 ; 275 | 88 ; 13 | 77 ; 171 | 7.18e+14 Nm | 41 km | Mw 3.9 | 83.65 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/05,07:49(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/05,07:49 | 29.8 N | 131.0 E | 60 km | Mj 4.4 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
51 ; 299 | 81 ; 22 | 70 ; 156 | 1.22e+16 Nm | 26 km | Mw 4.7 | 93.47 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/04,00:31(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/04,00:31 | 44.4 N | 149.5 E | 30 km | Mj 3.5 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
42 ; 139 | 71 ; 71 | -20 ; -160 | 9.79e+14 Nm | 29 km | Mw 4.0 | 78.60 |

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

Seismograms
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Earthquake Information 2003/04/03,18:06(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/03,18:06 | 25.1 N | 126.1 E | 80 km | Mj 4.1 | NEAR_MIYAKOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
64 ; 277 | 83 ; 8 | 85 ; 124 | 3.53e+15 Nm | 62 km | Mw 4.3 | 70.85 |

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

Seismograms
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Earthquake Information 2003/04/03,13:31(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/03,13:31 | 43.4 N | 146.6 E | 50 km | Mj 4.2 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
27 ; 280 | 84 ; 21 | -110 ; -18 | 9.93e+14 Nm | 59 km | Mw 4.0 | 81.13 |

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

Seismograms
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Earthquake Information 2003/04/03,08:38(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/03,08:38 | 36.4 N | 141.9 E | 70 km | Mj 3.9 | FAR_E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
18 ; 199 | 72 ; 18 | 90 ; 91 | 1.05e+15 Nm | 14 km | Mw 4.0 | 89.09 |

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

Seismograms
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Earthquake Information 2003/04/02,19:08(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/02,19:08 | 24.0 N | 122.4 E | 40 km | Mj 4.6 | NW_OFF_ISHIGAKIJIMA_IS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
66 ; 326 | 88 ; 14 | 76 ; 170 | 1.98e+16 Nm | 50 km | Mw 4.8 | 90.07 |

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

Seismograms
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Earthquake Information 2003/04/02,10:26(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/02,10:26 | 42.0 N | 139.5 E | 20 km | Mj 4.2 | SW_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
139 ; 44 | 77 ; 67 | 23 ; 166 | 1.93e+14 Nm | 8 km | Mw 3.5 | 72.73 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/01,16:38(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/01,16:38 | 35.1 N | 132.7 E | 10 km | Mj 4.1 | SHIMANE_HIROSHIMA_BORDER |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
356 ; 241 | 65 ; 48 | 48 ; 145 | 1.13e+15 Nm | 11 km | Mw 4.0 | 94.42 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/01,03:12(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/01,03:12 | 34.3 N | 135.5 E | 70 km | Mj 3.9 | NE_WAKAYAMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
300 ; 35 | 84 ; 56 | -34 ; -172 | 9.50e+14 Nm | 65 km | Mw 4.0 | 82.70 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/04/01,00:25(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/04/01,00:25 | 35.9 N | 137.6 E | 10 km | Mj 4.2 | WESTERN_NAGANO_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
29 ; 169 | 61 ; 36 | 112 ; 56 | 8.76e+14 Nm | 5 km | Mw 3.9 | 92.41 |

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

Seismograms
retreive digital waveform data
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