Data Report
Focal mechanisms / 200004
Contributed by NIED
Earthquake Information 2000/04/30,20:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/30,20:53 | 39.7 N | 142.6 E | 40 km | Mj 4.3 | E_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 233 ; 90 | 62 ; 33 | -109 ; -58 | 2.18e+15 Nm | 32 km | Mw 4.2 | 91.02 |
Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region
Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/30,19:44(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/30,19:44 | 41.7 N | 142.2 E | 80 km | Mj 4.2 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 284 ; 118 | 66 ; 24 | -96 ; -77 | 8.13e+14 Nm | 53 km | Mw 3.9 | 87.94 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/30,18:58(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/30,18:58 | 33.3 N | 142.0 E | 50 km | Mj 3.5 | FAR_E_OFF_IZU_ISLANDS |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 150 ; 242 | 89 ; 37 | -53 ; -178 | 9.97e+14 Nm | 5 km | Mw 4.0 | 65.97 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/30,13:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/30,13:03 | 40.4 N | 143.9 E | 10 km | Mj 4.2 | FAR_E_OFF_SANRIKU |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 36 ; 177 | 61 ; 35 | 111 ; 57 | 5.60e+15 Nm | 14 km | Mw 4.5 | 74.19 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/30,12:40(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/30,12:40 | 40.4 N | 143.9 E | 20 km | Mj 5.0 | FAR_E_OFF_SANRIKU |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 42 ; 154 | 76 ; 35 | 122 ; 26 | 1.03e+17 Nm | 11 km | Mw 5.3 | 74.15 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/30,06:33(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/30,06:33 | 33.7 N | 139.4 E | 30 km | Mj 3.8 | NEAR_MIYAKEJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 54 ; 146 | 82 ; 75 | -15 ; -171 | 8.50e+14 Nm | 14 km | Mw 3.9 | 82.00 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/30,00:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/30,00:19 | 33.3 N | 132.1 E | 50 km | Mj 3.9 | BUNGO_CHANNEL |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 164 ; 305 | 66 ; 30 | -71 ; -126 | 3.87e+14 Nm | 47 km | Mw 3.7 | 74.14 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/29,11:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/29,11:30 | 36.1 N | 140.1 E | 70 km | Mj 3.9 | SOUTHERN_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 4 ; 177 | 68 ; 22 | 93 ; 83 | 9.75e+14 Nm | 71 km | Mw 4.0 | 90.83 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/29,09:35(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/29,09:35 | 33.3 N | 131.5 E | 10 km | Mj 4.4 | NORTHERN_OITA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 245 ; 102 | 56 ; 40 | -113 ; -60 | 3.49e+15 Nm | 8 km | Mw 4.3 | 92.59 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/28,02:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/28,02:42 | 33.9 N | 135.7 E | 60 km | Mj 4.5 | SOUTHERN_NARA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 185 ; 284 | 78 ; 55 | -36 ; -165 | 3.02e+15 Nm | 47 km | Mw 4.3 | 95.88 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/27,05:38(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/27,05:38 | 42.2 N | 141.0 E | 130 km | Mj 4.4 | S_OFF_TOMAKOMAI |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 199 ; 341 | 86 ; 5 | 93 ; 52 | 6.44e+15 Nm | 110 km | Mw 4.5 | 85.34 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/26,18:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/26,18:46 | 36.1 N | 142.0 E | 60 km | Mj 3.7 | FAR_E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 17 ; 225 | 66 ; 26 | 78 ; 115 | 6.19e+14 Nm | 11 km | Mw 3.8 | 80.82 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/26,13:16(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/26,13:16 | 40.2 N | 143.5 E | shallow | Mj 4.0 | FAR_E_OFF_SANRIKU |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 33 ; 193 | 60 ; 31 | 100 ; 72 | 2.83e+15 Nm | 26 km | Mw 4.3 | 65.28 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/26,12:55(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/26,12:55 | 40.2 N | 143.5 E | shallow | Mj 5.1 | FAR_E_OFF_SANRIKU |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 28 ; 187 | 62 ; 29 | 100 ; 72 | 1.38e+17 Nm | 23 km | Mw 5.4 | 83.51 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/26,12:48(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/26,12:48 | 40.2 N | 143.5 E | shallow | Mj 5.1 | FAR_E_OFF_SANRIKU |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 20 ; 189 | 56 ; 35 | 96 ; 80 | 1.23e+17 Nm | 26 km | Mw 5.4 | 78.59 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/26,03:56(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/26,03:56 | 36.1 N | 142.0 E | 60 km | Mj 3.7 | FAR_E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 14 ; 207 | 60 ; 31 | 83 ; 101 | 7.29e+14 Nm | 14 km | Mw 3.9 | 65.31 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/25,20:09(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/25,20:09 | 37.6 N | 140.0 E | 10 km | Mj 3.9 | WESTERN_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 45 ; 193 | 55 ; 40 | 110 ; 65 | 4.78e+14 Nm | 8 km | Mw 3.8 | 92.40 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/25,19:48(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/25,19:48 | 37.6 N | 140.0 E | 10 km | Mj 4.6 | WESTERN_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 46 ; 210 | 47 ; 44 | 101 ; 78 | 4.30e+15 Nm | 8 km | Mw 4.4 | 94.44 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/25,15:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/25,15:28 | 40.2 N | 143.4 E | 10 km | Mj 5.1 | FAR_E_OFF_SANRIKU |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 24 ; 199 | 55 ; 35 | 93 ; 85 | 4.68e+16 Nm | 26 km | Mw 5.1 | 72.68 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/23,17:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/23,17:42 | 36.4 N | 141.2 E | 50 km | Mj 4.2 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 34 ; 210 | 71 ; 19 | 92 ; 86 | 4.49e+15 Nm | 35 km | Mw 4.4 | 73.59 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/22,15:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/22,15:19 | 37.0 N | 139.4 E | 10 km | Mj 3.6 | WESTERN_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 56 ; 191 | 73 ; 24 | 107 ; 47 | 1.11e+14 Nm | 5 km | Mw 3.3 | 79.01 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/22,15:01(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/22,15:01 | 42.6 N | 144.2 E | 70 km | Mj 4.1 | SE_OFF_TOKACHI |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 301 ; 40 | 89 ; 9 | -81 ; -171 | 3.60e+14 Nm | 53 km | Mw 3.7 | 65.32 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/22,12:55(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/22,12:55 | 34.1 N | 134.4 E | 20 km | Mj 3.6 | TOKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 61 ; 160 | 71 ; 66 | 154 ; 21 | 6.99e+13 Nm | 8 km | Mw 3.2 | 65.26 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/21,11:07(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/21,11:07 | 35.7 N | 135.7 E | 350 km | Mj 5.8 | E_PART_OF_WAKASA_BAY |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 241 ; 60 | 57 ; 33 | -90 ; -91 | 1.69e+17 Nm | 360 km | Mw 5.5 | 95.41 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/21,10:12(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/21,10:12 | 35.4 N | 140.5 E | 30 km | Mj 3.7 | KUJUKURI_COAST_BOSO_PEN |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 69 ; 233 | 73 ; 18 | 95 ; 75 | 1.86e+14 Nm | 23 km | Mw 3.5 | 64.99 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/20,21:31(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/20,21:31 | 36.7 N | 141.4 E | 40 km | Mj 4.0 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 190 ; 88 | 90 ; 2 | -92 ; -12 | 2.93e+14 Nm | 41 km | Mw 3.6 | 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 2000/04/20,18:09(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/20,18:09 | 42.9 N | 145.5 E | 50 km | Mj 3.7 | OFF_NEMURO_PENINSULA |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 26 ; 236 | 63 ; 30 | 76 ; 117 | 4.37e+14 Nm | 44 km | Mw 3.7 | 93.42 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/19,04:00(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/19,04:00 | 42.1 N | 142.7 E | 40 km | Mj 4.1 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 151 ; 329 | 56 ; 34 | 91 ; 88 | 5.10e+14 Nm | 32 km | Mw 3.8 | 79.37 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/19,03:44(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/19,03:44 | 28.5 N | 130.0 E | 40 km | Mj 4.1 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 267 ; 162 | 87 ; 11 | -100 ; -16 | 4.39e+15 Nm | 32 km | Mw 4.4 | 94.35 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/18,03:25(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/18,03:25 | 41.5 N | 139.2 E | 210 km | Mj 4.5 | SW_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 134 ; 238 | 82 ; 30 | -61 ; -164 | 3.52e+15 Nm | 230 km | Mw 4.3 | 91.07 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/17,05:23(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/17,05:23 | 35.9 N | 137.8 E | 10 km | Mj 3.8 | CENTRAL_NAGANO_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 332 ; 233 | 81 ; 47 | 43 ; 167 | 1.27e+14 Nm | 20 km | Mw 3.4 | 59.47 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/16,05:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/16,05:28 | 43.2 N | 147.9 E | 40 km | Mj 3.6 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 71 ; 239 | 62 ; 29 | -84 ; -101 | 2.23e+15 Nm | 11 km | Mw 4.2 | 83.81 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/15,06:27(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/15,06:27 | 42.9 N | 146.8 E | 60 km | Mj 4.7 | OFF_NEMURO_PENINSULA |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 50 ; 179 | 69 ; 31 | 114 ; 43 | 5.14e+15 Nm | 32 km | Mw 4.4 | 85.56 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/14,21:39(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/14,21:39 | 38.5 N | 143.5 E | 20 km | Mj 4.5 | FAR_E_OFF_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 38 ; 186 | 64 ; 30 | 105 ; 62 | 6.42e+15 Nm | 11 km | Mw 4.5 | 83.27 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/14,20:26(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/14,20:26 | 36.3 N | 140.0 E | 50 km | Mj 4.1 | SW_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 53 ; 281 | 76 ; 21 | 75 ; 137 | 5.80e+14 Nm | 59 km | Mw 3.8 | 81.41 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/14,17:41(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/14,17:41 | 33.6 N | 135.4 E | 50 km | Mj 4.9 | SOUTHERN_WAKAYAMA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 334 ; 122 | 55 ; 40 | -70 ; -116 | 2.45e+16 Nm | 38 km | Mw 4.9 | 87.53 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/14,13:04(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/14,13:04 | 34.2 N | 139.2 E | 10 km | Mj 3.9 | NEAR_NIIJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 1 ; 211 | 52 ; 42 | -110 ; -66 | 8.95e+14 Nm | 5 km | Mw 3.9 | 86.79 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2000/04/14,12:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/14,12:53 | 34.2 N | 139.2 E | 10 km | Mj 4.0 | NEAR_NIIJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 347 ; 213 | 66 ; 32 | -112 ; -49 | 4.34e+15 Nm | 5 km | Mw 4.4 | 87.27 |

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

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Earthquake Information 2000/04/14,05:26(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/14,05:26 | 39.3 N | 144.4 E | 50 km | Mj 3.7 | FAR_E_OFF_NORTH_HONSHU |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 252 ; 81 | 46 ; 45 | -96 ; -84 | 2.33e+14 Nm | 5 km | Mw 3.5 | 57.61 |

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

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Earthquake Information 2000/04/13,02:07(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/13,02:07 | 33.6 N | 131.9 E | 80 km | Mj 3.8 | IYONADA_SETONAIKAI |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 187 ; 48 | 77 ; 17 | -101 ; -50 | 5.79e+14 Nm | 77 km | Mw 3.8 | 77.29 |

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

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Earthquake Information 2000/04/12,23:31(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/12,23:31 | 40.1 N | 142.5 E | 30 km | Mj 4.1 | NE_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 15 ; 199 | 77 ; 13 | 89 ; 94 | 5.20e+14 Nm | 32 km | Mw 3.8 | 77.81 |

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

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Earthquake Information 2000/04/12,21:51(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/12,21:51 | 40.1 N | 142.4 E | 30 km | Mj 5.1 | NE_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 21 ; 205 | 73 ; 17 | 89 ; 94 | 2.34e+16 Nm | 50 km | Mw 4.9 | 79.90 |

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

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Earthquake Information 2000/04/11,19:36(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/11,19:36 | 35.6 N | 140.7 E | 50 km | Mj 4.2 | NEAR_CHOSHI_CITY |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 356 ; 189 | 75 ; 15 | 86 ; 103 | 5.05e+15 Nm | 50 km | Mw 4.4 | 88.92 |

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

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Earthquake Information 2000/04/11,18:05(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/11,18:05 | 35.6 N | 140.7 E | 50 km | Mj 4.4 | NEAR_CHOSHI_CITY |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 354 ; 184 | 62 ; 29 | 85 ; 99 | 1.25e+16 Nm | 50 km | Mw 4.7 | 81.92 |

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

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Earthquake Information 2000/04/11,15:08(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/11,15:08 | 41.4 N | 139.9 E | 20 km | Mj 4.7 | SW_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 20 ; 192 | 47 ; 43 | 95 ; 85 | 1.62e+15 Nm | 8 km | Mw 4.1 | 79.48 |

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

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Earthquake Information 2000/04/11,09:47(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/11,09:47 | 37.4 N | 136.7 E | 20 km | Mj 4.1 | OFF_NOTO_PENINSULA |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 2 ; 270 | 87 ; 53 | 38 ; 176 | 4.08e+14 Nm | 11 km | Mw 3.7 | 85.24 |

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

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Earthquake Information 2000/04/11,02:31(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/11,02:31 | 33.8 N | 135.0 E | 20 km | Mj 4.4 | S_PART_OF_KII_CHANNEL |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 144 ; 38 | 73 ; 49 | 43 ; 157 | 5.98e+14 Nm | 8 km | Mw 3.8 | 83.76 |

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

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Earthquake Information 2000/04/09,21:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/09,21:30 | 36.2 N | 140.1 E | 60 km | Mj 4.9 | SW_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 49 ; 255 | 69 ; 23 | 80 ; 115 | 1.26e+16 Nm | 53 km | Mw 4.7 | 91.56 |

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

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Earthquake Information 2000/04/09,21:08(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/09,21:08 | 34.7 N | 140.6 E | 50 km | Mj 4.7 | SE_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 21 ; 197 | 74 ; 16 | 91 ; 86 | 1.06e+16 Nm | 50 km | Mw 4.7 | 92.89 |

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

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Earthquake Information 2000/04/09,20:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/09,20:30 | 36.4 N | 141.2 E | 50 km | Mj 3.9 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 16 ; 210 | 75 ; 15 | 86 ; 104 | 5.86e+14 Nm | 35 km | Mw 3.8 | 90.83 |

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

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Earthquake Information 2000/04/09,16:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/09,16:53 | 43.4 N | 139.6 E | 220 km | Mj 4.1 | NW_OFF_SHAKOTAN_PEN |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 233 ; 135 | 86 ; 26 | 64 ; 171 | 3.80e+15 Nm | 195 km | Mw 4.4 | 75.98 |

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

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Earthquake Information 2000/04/09,11:45(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/09,11:45 | 28.1 N | 128.0 E | 110 km | Mj 3.9 | NW_OFF_OKINAWAJIMA_IS |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 79 ; 178 | 83 ; 38 | 128 ; 12 | 4.88e+15 Nm | 104 km | Mw 4.4 | 79.35 |

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

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Earthquake Information 2000/04/07,08:49(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/07,08:49 | 37.0 N | 138.4 E | 10 km | Mj 3.7 | SW_NIIGATA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 28 ; 246 | 51 ; 46 | 64 ; 119 | 1.86e+14 Nm | 11 km | Mw 3.5 | 75.52 |

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

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Earthquake Information 2000/04/07,06:54(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/07,06:54 | 37.0 N | 138.4 E | 20 km | Mj 4.3 | SW_NIIGATA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 22 ; 243 | 51 ; 48 | 61 ; 121 | 2.22e+15 Nm | 8 km | Mw 4.2 | 76.68 |

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

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Earthquake Information 2000/04/06,16:21(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/06,16:21 | 41.9 N | 142.3 E | 60 km | Mj 3.8 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 22 ; 193 | 66 ; 24 | 94 ; 81 | 5.56e+14 Nm | 56 km | Mw 3.8 | 76.69 |

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

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Earthquake Information 2000/04/06,15:40(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/06,15:40 | 37.5 N | 136.2 E | 20 km | Mj 4.2 | OFF_NOTO_PENINSULA |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 355 ; 243 | 70 ; 44 | 50 ; 150 | 3.28e+14 Nm | 8 km | Mw 3.6 | 66.53 |

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

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Earthquake Information 2000/04/06,01:14(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/06,01:14 | 36.4 N | 141.0 E | 40 km | Mj 4.5 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 4 ; 198 | 54 ; 37 | 82 ; 101 | 2.76e+15 Nm | 44 km | Mw 4.3 | 82.21 |

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

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Earthquake Information 2000/04/04,14:04(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/04,14:04 | 43.3 N | 144.1 E | 10 km | Mj 3.6 | KUSHIRO_REGION |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 224 ; 34 | 60 ; 31 | 95 ; 81 | 2.40e+14 Nm | 8 km | Mw 3.6 | 70.95 |

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

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Earthquake Information 2000/04/03,15:13(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/03,15:13 | 41.6 N | 142.0 E | 50 km | Mj 3.6 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 71 ; 313 | 57 ; 54 | 45 ; 138 | 1.11e+14 Nm | 26 km | Mw 3.3 | 54.85 |

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

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Earthquake Information 2000/04/02,12:25(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/02,12:25 | 32.5 N | 131.2 E | 150 km | Mj 5.1 | NORTHERN_MIYAZAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 336 ; 177 | 58 ; 34 | 78 ; 108 | 1.98e+16 Nm | 145 km | Mw 4.8 | 92.28 |

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

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Earthquake Information 2000/04/02,03:35(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/02,03:35 | 36.4 N | 141.0 E | 40 km | Mj 3.9 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 23 ; 183 | 63 ; 29 | 100 ; 72 | 8.12e+14 Nm | 47 km | Mw 3.9 | 60.94 |

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

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Earthquake Information 2000/04/01,21:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 2000/04/01,21:03 | 39.2 N | 143.9 E | 30 km | Mj 4.0 | FAR_E_OFF_SANRIKU |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 32 ; 193 | 56 ; 35 | 101 ; 75 | 2.27e+15 Nm | 8 km | Mw 4.2 | 69.16 |

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

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