Data Report
Focal mechanisms / 199905
Contributed by NIED
Earthquake Information 1999/05/31,05:11(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/31,05:11 | 36.7 N | 142.3 E | 20 km | Mj 4.0 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
26 ; 191 | 69 ; 22 | 96 ; 76 | 3.13e+15 Nm | 20 km | Mw 4.3 | 90.49 |
Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region
Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/31,03:22(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/31,03:22 | 43.1 N | 144.6 E | 70 km | Mj 4.7 | KUSHIRO_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
129 ; 239 | 67 ; 52 | 138 ; 30 | 2.89e+15 Nm | 62 km | Mw 4.3 | 89.83 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/31,00:36(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/31,00:36 | 36.0 N | 140.3 E | 50 km | Mj 4.0 | SOUTHERN_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
245 ; 343 | 79 ; 53 | -38 ; -166 | 3.07e+14 Nm | 56 km | Mw 3.6 | 74.03 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/29,12:09(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/29,12:09 | 36.5 N | 141.6 E | 40 km | Mj 3.5 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
336 ; 233 | 80 ; 37 | 55 ; 164 | 2.09e+14 Nm | 35 km | Mw 3.5 | 57.25 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/28,11:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/28,11:19 | 36.8 N | 142.2 E | 50 km | Mj 4.1 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
23 ; 211 | 75 ; 16 | 88 ; 97 | 5.86e+15 Nm | 17 km | Mw 4.5 | 89.76 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/28,03:11(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/28,03:11 | 35.5 N | 139.5 E | 40 km | Mj 3.7 | KANAGAWA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
283 ; 54 | 70 ; 29 | 112 ; 44 | 2.30e+14 Nm | 38 km | Mw 3.5 | 59.23 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/27,06:01(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/27,06:01 | 29.0 N | 130.1 E | 40 km | Mj 3.5 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
157 ; 53 | 81 ; 32 | -121 ; -16 | 1.75e+14 Nm | 20 km | Mw 3.5 | 63.77 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/25,22:35(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/25,22:35 | 37.5 N | 142.4 E | 40 km | Mj 3.7 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
16 ; 222 | 68 ; 24 | 80 ; 114 | 2.81e+14 Nm | 32 km | Mw 3.6 | 79.51 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/25,09:26(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/25,09:26 | 31.5 N | 131.9 E | 40 km | Mj 3.8 | HYUGANADA_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
5 ; 237 | 57 ; 47 | 55 ; 131 | 7.17e+14 Nm | 26 km | Mw 3.9 | 69.16 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/24,08:59(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/24,08:59 | 40.4 N | 142.4 E | 30 km | Mj 3.6 | NE_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
283 ; 157 | 56 ; 50 | -128 ; -47 | 3.50e+14 Nm | 56 km | Mw 3.7 | 93.21 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/23,08:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/23,08:19 | 43.4 N | 146.1 E | 50 km | Mj 4.8 | NEAR_KUNASHIRI_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
191 ; 295 | 83 ; 25 | 115 ; 15 | 2.26e+15 Nm | 47 km | Mw 4.2 | 89.09 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/23,00:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/23,00:28 | 30.9 N | 131.3 E | 20 km | Mj 3.8 | SE_OFF_OSUMI_PEN |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
115 ; 291 | 47 ; 43 | -87 ; -93 | 9.94e+14 Nm | 11 km | Mw 4.0 | 60.00 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/22,11:58(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/22,11:58 | 38.5 N | 143.4 E | shallow | Mj 3.9 | FAR_E_OFF_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
13 ; 203 | 56 ; 35 | 84 ; 98 | 9.31e+14 Nm | 23 km | Mw 3.9 | 54.55 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/22,10:09(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/22,10:09 | 39.8 N | 141.0 E | 10 km | Mj 3.6 | NORTHERN_IWATE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
333 ; 239 | 84 ; 53 | 37 ; 172 | 1.63e+15 Nm | 5 km | Mw 4.1 | 92.08 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/22,04:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/22,04:19 | 30.1 N | 128.2 E | shallow | Mj 3.7 | NW_OFF_AMAMI-OSHIMA_IS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
293 ; 34 | 77 ; 49 | -42 ; -163 | 1.81e+15 Nm | 5 km | Mw 4.1 | 79.98 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/22,00:48(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/22,00:48 | 35.5 N | 139.1 E | 20 km | Mj 4.4 | EASTERN_YAMANASHI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
50 ; 271 | 69 ; 26 | 73 ; 127 | 1.61e+15 Nm | 23 km | Mw 4.1 | 84.22 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/21,16:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/21,16:28 | 27.1 N | 127.7 E | 20 km | Mj 4.3 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
100 ; 336 | 61 ; 45 | -126 ; -43 | 1.81e+15 Nm | 8 km | Mw 4.1 | 94.52 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/21,03:23(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/21,03:23 | 27.7 N | 130.5 E | 20 km | Mj 3.7 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
187 ; 80 | 82 ; 26 | -115 ; -19 | 7.07e+14 Nm | 5 km | Mw 3.9 | 77.49 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/20,15:22(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/20,15:22 | 33.2 N | 140.6 E | 60 km | Mj 3.7 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
258 ; 354 | 75 ; 69 | 158 ; 16 | 3.87e+14 Nm | 74 km | Mw 3.7 | 52.34 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/20,12:26(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/20,12:26 | 43.1 N | 146.8 E | 60 km | Mj 3.8 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
43 ; 167 | 73 ; 29 | 114 ; 37 | 5.76e+14 Nm | 29 km | Mw 3.8 | 73.93 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/20,11:58(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/20,11:58 | 43.0 N | 146.9 E | 60 km | Mj 4.3 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
43 ; 171 | 69 ; 33 | 115 ; 42 | 2.76e+15 Nm | 35 km | Mw 4.3 | 64.32 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/20,11:54(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/20,11:54 | 41.6 N | 142.1 E | 60 km | Mj 3.7 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
18 ; 153 | 66 ; 33 | 112 ; 50 | 6.37e+14 Nm | 62 km | Mw 3.8 | 65.81 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/20,08:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/20,08:43 | 40.2 N | 143.9 E | 30 km | Mj 4.3 | FAR_E_OFF_SANRIKU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
186 ; 41 | 53 ; 43 | 67 ; 118 | 1.39e+16 Nm | 8 km | Mw 4.7 | 54.81 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/19,12:23(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/19,12:23 | 28.9 N | 129.9 E | 40 km | Mj 3.5 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
339 ; 182 | 53 ; 39 | -104 ; -72 | 3.45e+14 Nm | 14 km | Mw 3.7 | 83.29 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/16,21:20(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/16,21:20 | 41.9 N | 142.5 E | 60 km | Mj 4.8 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
17 ; 171 | 73 ; 19 | 98 ; 65 | 4.33e+15 Nm | 56 km | Mw 4.4 | 76.21 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/16,00:25(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/16,00:25 | 34.4 N | 136.1 E | 10 km | Mj 4.0 | SOUTHERN_MIE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
9 ; 114 | 74 ; 48 | 136 ; 22 | 1.60e+14 Nm | 8 km | Mw 3.4 | 80.93 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/15,11:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/15,11:19 | 34.4 N | 141.2 E | 40 km | Mj 3.5 | FAR_S_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
68 ; 248 | 66 ; 24 | -90 ; -90 | 6.83e+14 Nm | 35 km | Mw 3.9 | 79.94 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/14,18:23(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/14,18:23 | 26.8 N | 127.8 E | 20 km | Mj 4.6 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
309 ; 136 | 57 ; 33 | -94 ; -84 | 7.49e+15 Nm | 11 km | Mw 4.5 | 81.40 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/14,03:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/14,03:03 | 34.3 N | 141.3 E | 50 km | Mj 4.2 | FAR_SE_OFF_BOSO_PEN |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
75 ; 261 | 49 ; 42 | -94 ; -85 | 6.02e+15 Nm | 32 km | Mw 4.5 | 89.43 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/13,19:06(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/13,19:06 | 43.4 N | 147.2 E | 50 km | Mj 4.1 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
108 ; 266 | 68 ; 23 | 98 ; 70 | 1.22e+15 Nm | 59 km | Mw 4.0 | 66.01 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/13,05:22(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/13,05:22 | 35.1 N | 140.2 E | 40 km | Mj 3.5 | SE_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
299 ; 74 | 56 ; 43 | 119 ; 54 | 4.09e+14 Nm | 35 km | Mw 3.7 | 50.01 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/12,23:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/12,23:42 | 32.6 N | 141.1 E | 40 km | Mj 3.8 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
187 ; 12 | 78 ; 12 | 89 ; 95 | 2.19e+15 Nm | 59 km | Mw 4.2 | 91.65 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/12,17:59(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/12,17:59 | 43.0 N | 143.9 E | 100 km | Mj 6.1 | KUSHIRO_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
275 ; 130 | 76 ; 18 | -100 ; -56 | 1.72e+18 Nm | 101 km | Mw 6.1 | 71.92 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/10,10:20(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/10,10:20 | 28.1 N | 130.6 E | 20 km | Mj 4.0 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
199 ; 49 | 64 ; 30 | 76 ; 117 | 1.31e+15 Nm | 17 km | Mw 4.0 | 83.07 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/10,07:09(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/10,07:09 | 37.5 N | 141.9 E | 40 km | Mj 4.9 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
35 ; 177 | 80 ; 13 | 98 ; 53 | 1.81e+16 Nm | 35 km | Mw 4.8 | 85.74 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/09,23:45(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/09,23:45 | 37.8 N | 142.7 E | 20 km | Mj 3.7 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
23 ; 190 | 65 ; 26 | 96 ; 78 | 1.93e+14 Nm | 23 km | Mw 3.5 | 53.03 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/09,23:40(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/09,23:40 | 37.8 N | 142.6 E | 40 km | Mj 4.1 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
32 ; 185 | 65 ; 28 | 102 ; 66 | 1.33e+15 Nm | 23 km | Mw 4.1 | 89.80 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/05/09,14:24(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/09,14:24 | 25.8 N | 128.4 E | 50 km | Mj 4.1 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
209 ; 85 | 82 ; 15 | 78 ; 145 | 9.11e+15 Nm | 23 km | Mw 4.6 | 82.11 |

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

Seismograms
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Earthquake Information 1999/05/09,05:26(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/09,05:26 | 33.4 N | 139.4 E | 30 km | Mj 3.8 | NEAR_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
327 ; 143 | 66 ; 24 | -88 ; -95 | 2.76e+15 Nm | 5 km | Mw 4.3 | 68.02 |

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Earthquake Information 1999/05/08,17:36(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/08,17:36 | 25.1 N | 128.4 E | 70 km | Mj 3.8 | FAR_S_OFF_OKINAWAJIMA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
132 ; 37 | 77 ; 67 | 23 ; 166 | 1.17e+15 Nm | 38 km | Mw 4.0 | 67.79 |

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past earthquakes occurring in this region

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Earthquake Information 1999/05/08,01:35(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/08,01:35 | 35.2 N | 138.3 E | 20 km | Mj 4.0 | CENTRAL_SHIZUOKA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
12 ; 278 | 83 ; 61 | 29 ; 172 | 3.84e+14 Nm | 20 km | Mw 3.7 | 88.08 |

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Earthquake Information 1999/05/07,23:20(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/07,23:20 | 32.5 N | 131.1 E | 150 km | Mj 3.9 | NORTHERN_MIYAZAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
54 ; 202 | 62 ; 32 | 106 ; 62 | 3.21e+15 Nm | 140 km | Mw 4.3 | 96.47 |

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Earthquake Information 1999/05/07,12:57(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/07,12:57 | 35.2 N | 138.3 E | 20 km | Mj 3.8 | CENTRAL_SHIZUOKA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
287 ; 22 | 74 ; 73 | 162 ; 17 | 2.25e+14 Nm | 23 km | Mw 3.5 | 64.42 |

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Earthquake Information 1999/05/07,12:48(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/07,12:48 | 35.2 N | 138.4 E | 20 km | Mj 4.9 | CENTRAL_SHIZUOKA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
16 ; 277 | 76 ; 58 | 33 ; 164 | 1.56e+16 Nm | 20 km | Mw 4.8 | 91.61 |

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past earthquakes occurring in this region

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Earthquake Information 1999/05/06,19:20(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/06,19:20 | 33.4 N | 140.5 E | 50 km | Mj 3.7 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
45 ; 155 | 79 ; 30 | 118 ; 23 | 4.97e+14 Nm | 53 km | Mw 3.8 | 88.21 |

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past earthquakes occurring in this region

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Earthquake Information 1999/05/04,09:25(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/04,09:25 | 44.0 N | 148.1 E | 30 km | Mj 4.1 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
85 ; 292 | 71 ; 21 | 81 ; 115 | 2.46e+15 Nm | 56 km | Mw 4.2 | 71.76 |

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Earthquake Information 1999/05/04,07:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/04,07:42 | 36.1 N | 140.4 E | 40 km | Mj 4.1 | SOUTHERN_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
19 ; 203 | 47 ; 43 | 87 ; 93 | 4.77e+14 Nm | 71 km | Mw 3.8 | 64.72 |

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Earthquake Information 1999/05/04,05:49(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/04,05:49 | 34.8 N | 141.1 E | 50 km | Mj 4.2 | SE_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
299 ; 162 | 54 ; 45 | 61 ; 123 | 7.41e+15 Nm | 23 km | Mw 4.5 | 66.37 |

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past earthquakes occurring in this region

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Earthquake Information 1999/05/03,15:00(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/03,15:00 | 36.4 N | 138.0 E | 10 km | Mj 3.5 | NEAR_MATSUSHIRO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
356 ; 252 | 75 ; 49 | 42 ; 160 | 1.69e+14 Nm | 20 km | Mw 3.5 | 83.16 |

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past earthquakes occurring in this region

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Earthquake Information 1999/05/03,14:49(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/03,14:49 | 32.5 N | 140.7 E | 30 km | Mj 3.6 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
275 ; 106 | 57 ; 34 | 84 ; 99 | 4.17e+14 Nm | 29 km | Mw 3.7 | 61.64 |

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Earthquake Information 1999/05/03,14:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/03,14:46 | 36.4 N | 138.0 E | 10 km | Mj 3.9 | NEAR_MATSUSHIRO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
352 ; 247 | 70 ; 54 | 39 ; 155 | 9.11e+14 Nm | 11 km | Mw 3.9 | 84.22 |

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past earthquakes occurring in this region

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Earthquake Information 1999/05/03,10:55(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/03,10:55 | 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 |
142 ; 35 | 74 ; 45 | 47 ; 157 | 4.50e+14 Nm | 20 km | Mw 3.7 | 64.85 |

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past earthquakes occurring in this region

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Earthquake Information 1999/05/03,09:27(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/03,09:27 | 26.8 N | 130.3 E | 40 km | Mj 3.7 | NEAR_MINAMI-DAITOJIMA_IS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
269 ; 4 | 77 ; 68 | -22 ; -167 | 4.70e+14 Nm | 32 km | Mw 3.7 | 56.82 |

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past earthquakes occurring in this region

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Earthquake Information 1999/05/02,20:58(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/02,20:58 | 44.7 N | 149.6 E | 60 km | Mj 4.4 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
21 ; 127 | 67 ; 56 | 143 ; 28 | 7.28e+15 Nm | 53 km | Mw 4.5 | 80.38 |

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past earthquakes occurring in this region

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Earthquake Information 1999/05/02,17:55(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/02,17:55 | 42.0 N | 142.6 E | 60 km | Mj 4.2 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
27 ; 214 | 65 ; 25 | 87 ; 96 | 1.55e+15 Nm | 50 km | Mw 4.1 | 77.09 |

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past earthquakes occurring in this region

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Earthquake Information 1999/05/02,06:56(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/05/02,06:56 | 36.1 N | 136.4 E | 10 km | Mj 3.7 | CENTRAL_FUKUI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
223 ; 339 | 68 ; 43 | 128 ; 33 | 1.73e+14 Nm | 8 km | Mw 3.5 | 74.17 |

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

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