Data Report
Focal mechanisms / 199809
Contributed by NIED
Earthquake Information 1998/09/29,15:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/29,15:53 | 40.2 N | 142.5 E | 30 km | Mj 4.4 | NE_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 24 ; 174 | 74 ; 18 | 99 ; 62 | 2.87e+15 Nm | 41 km | Mw 4.3 | 92.30 |
Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region
Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/29,07:41(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/29,07:41 | 37.7 N | 142.4 E | 40 km | Mj 3.9 | SE_OFF_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 15 ; 188 | 46 ; 44 | 95 ; 85 | 3.93e+14 Nm | 20 km | Mw 3.7 | 81.06 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/27,21:45(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/27,21:45 | 35.7 N | 140.7 E | 30 km | Mj 3.9 | NEAR_CHOSHI_CITY |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 199 ; 86 | 78 ; 28 | -115 ; -27 | 4.09e+14 Nm | 26 km | Mw 3.7 | 84.76 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/27,17:50(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/27,17:50 | 32.0 N | 131.9 E | 40 km | Mj 4.4 | HYUGANADA_REGION |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 320 ; 69 | 64 ; 56 | 141 ; 31 | 5.75e+15 Nm | 62 km | Mw 4.5 | 68.19 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/27,11:34(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/27,11:34 | 29.4 N | 130.7 E | 80 km | Mj 4.9 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 29 ; 293 | 80 ; 59 | -149 ; -11 | 1.39e+17 Nm | 95 km | Mw 5.4 | 64.17 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/26,23:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/26,23:43 | 31.8 N | 132.0 E | 30 km | Mj 4.3 | HYUGANADA_REGION |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 41 ; 184 | 66 ; 30 | 107 ; 57 | 3.58e+15 Nm | 29 km | Mw 4.3 | 56.15 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/24,21:59(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/24,21:59 | 37.5 N | 141.3 E | 80 km | Mj 5.2 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 242 ; 71 | 52 ; 38 | -95 ; -83 | 1.52e+16 Nm | 86 km | Mw 4.8 | 84.93 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/24,10:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/24,10:30 | 32.1 N | 140.8 E | 20 km | Mj 4.2 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 332 ; 148 | 67 ; 23 | 91 ; 87 | 8.08e+15 Nm | 62 km | Mw 4.6 | 91.34 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/24,08:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/24,08:03 | 33.4 N | 134.6 E | 40 km | Mj 4.2 | SE_OFF_SHIKOKU |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 308 ; 43 | 75 ; 72 | 162 ; 16 | 1.91e+15 Nm | 29 km | Mw 4.2 | 94.97 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/24,06:02(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/24,06:02 | 32.0 N | 140.8 E | 30 km | Mj 4.1 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 334 ; 187 | 68 ; 26 | 76 ; 120 | 3.69e+15 Nm | 53 km | Mw 4.3 | 79.13 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/19,21:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/19,21:53 | 36.4 N | 137.6 E | 10 km | Mj 4.1 | HIDA_MOUNTAINS_REGION |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 180 ; 271 | 83 ; 77 | -13 ; -173 | 5.75e+15 Nm | 8 km | Mw 4.5 | 95.78 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/19,08:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/19,08:43 | 37.5 N | 138.1 E | 30 km | Mj 3.9 | OFF_S_NIIGATA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 58 ; 215 | 66 ; 26 | 100 ; 69 | 2.96e+14 Nm | 11 km | Mw 3.6 | 72.25 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/19,06:34(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/19,06:34 | 33.7 N | 141.3 E | 60 km | Mj 3.5 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 258 ; 161 | 76 ; 64 | -153 ; -16 | 9.01e+14 Nm | 26 km | Mw 3.9 | 77.37 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/18,21:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/18,21:19 | 36.3 N | 137.7 E | shallow | Mj 3.6 | HIDA_MOUNTAINS_REGION |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 291 ; 199 | 82 ; 77 | -167 ; -8 | 6.63e+14 Nm | 8 km | Mw 3.8 | 83.95 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/18,08:16(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/18,08:16 | 36.3 N | 137.7 E | 10 km | Mj 4.4 | HIDA_MOUNTAINS_REGION |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 266 ; 174 | 83 ; 76 | -166 ; -7 | 1.12e+16 Nm | 5 km | Mw 4.7 | 62.02 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/18,03:51(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/18,03:51 | 43.0 N | 147.8 E | 20 km | Mj 4.5 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 315 ; 54 | 71 ; 64 | -28 ; -159 | 2.20e+16 Nm | 20 km | Mw 4.9 | 81.03 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/17,23:49(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/17,23:49 | 35.7 N | 140.7 E | 60 km | Mj 3.6 | NEAR_CHOSHI_CITY |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 52 ; 144 | 83 ; 76 | 166 ; 7 | 3.30e+14 Nm | 50 km | Mw 3.6 | 77.02 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/17,04:02(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/17,04:02 | 29.5 N | 130.6 E | 80 km | Mj 4.2 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 29 ; 212 | 51 ; 39 | 88 ; 93 | 2.55e+16 Nm | 26 km | Mw 4.9 | 65.17 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/15,07:24(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/15,07:24 | 38.3 N | 140.8 E | 10 km | Mj 5.1 | SOUTHERN_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 37 ; 203 | 54 ; 37 | 99 ; 78 | 3.19e+16 Nm | 8 km | Mw 5.0 | 91.91 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/15,07:18(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/15,07:18 | 38.3 N | 140.8 E | 10 km | Mj 3.6 | SOUTHERN_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 221 ; 344 | 55 ; 53 | 132 ; 47 | 2.95e+14 Nm | 8 km | Mw 3.6 | 78.80 |

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

Seismograms
retreive digital waveform data
Back
Earthquake Information 1998/09/15,05:10(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/15,05:10 | 34.2 N | 139.1 E | 10 km | Mj 3.6 | NEAR_NIIJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 213 ; 122 | 88 ; 64 | 26 ; 177 | 4.07e+14 Nm | 11 km | Mw 3.7 | 66.11 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/14,23:16(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/14,23:16 | 32.6 N | 132.2 E | 40 km | Mj 4.3 | HYUGANADA_REGION |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 346 ; 162 | 48 ; 42 | -87 ; -93 | 4.30e+15 Nm | 38 km | Mw 4.4 | 80.67 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/14,12:21(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/14,12:21 | 44.2 N | 148.8 E | 60 km | Mj 4.1 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 33 ; 150 | 70 ; 39 | 125 ; 33 | 1.90e+15 Nm | 32 km | Mw 4.2 | 86.15 |

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

Seismograms
retreive digital waveform data
Back
Earthquake Information 1998/09/14,11:11(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/14,11:11 | 35.8 N | 140.1 E | 50 km | Mj 3.7 | NORTHERN_CHIBA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 83 ; 228 | 76 ; 17 | 100 ; 56 | 7.24e+14 Nm | 35 km | Mw 3.9 | 82.15 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/14,10:50(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/14,10:50 | 35.8 N | 140.1 E | 50 km | Mj 3.7 | NORTHERN_CHIBA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 86 ; 219 | 78 ; 17 | 102 ; 44 | 3.85e+14 Nm | 35 km | Mw 3.7 | 69.85 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/12,23:07(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/12,23:07 | 39.9 N | 143.6 E | shallow | Mj 3.7 | FAR_E_OFF_SANRIKU |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 16 ; 212 | 64 ; 27 | 83 ; 104 | 1.80e+15 Nm | 14 km | Mw 4.1 | 79.30 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/10,18:44(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/10,18:44 | 36.1 N | 142.2 E | 60 km | Mj 4.1 | FAR_E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 55 ; 170 | 78 ; 25 | 113 ; 28 | 2.48e+15 Nm | 11 km | Mw 4.2 | 61.46 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/09,18:58(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/09,18:58 | 40.3 N | 142.3 E | 40 km | Mj 4.4 | NE_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 298 ; 184 | 77 ; 31 | -118 ; -27 | 5.73e+14 Nm | 38 km | Mw 3.8 | 73.29 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/07,23:40(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/07,23:40 | 35.9 N | 140.8 E | 40 km | Mj 4.5 | NEAR_CHOSHI_CITY |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 13 ; 192 | 70 ; 20 | 90 ; 89 | 8.63e+15 Nm | 41 km | Mw 4.6 | 77.67 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/07,07:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/07,07:53 | 36.2 N | 137.7 E | 10 km | Mj 3.8 | HIDA_MOUNTAINS_REGION |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 90 ; 183 | 86 ; 55 | 145 ; 5 | 1.54e+15 Nm | 11 km | Mw 4.1 | 92.51 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/07,06:38(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/07,06:38 | 34.6 N | 136.1 E | 40 km | Mj 3.9 | NORTHERN_MIE_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 17 ; 170 | 67 ; 25 | -79 ; -114 | 4.60e+14 Nm | 38 km | Mw 3.7 | 85.67 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/06,20:49(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/06,20:49 | 43.1 N | 145.7 E | 50 km | Mj 4.7 | OFF_NEMURO_PENINSULA |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 237 ; 146 | 87 ; 65 | -155 ; -4 | 5.28e+15 Nm | 62 km | Mw 4.4 | 90.73 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/06,14:20(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/06,14:20 | 43.7 N | 147.2 E | 50 km | Mj 3.9 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 269 ; 162 | 68 ; 54 | -141 ; -27 | 3.91e+14 Nm | 44 km | Mw 3.7 | 81.22 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/05,23:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/05,23:03 | 43.4 N | 146.0 E | 60 km | Mj 4.4 | NEAR_KUNASHIRI_ISLAND |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 231 ; 120 | 80 ; 27 | 65 ; 157 | 1.36e+15 Nm | 74 km | Mw 4.1 | 84.49 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/05,18:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/05,18:30 | 39.5 N | 138.5 E | 60 km | Mj 4.9 | W_OFF_AKITA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 320 ; 226 | 75 ; 72 | 18 ; 164 | 4.51e+15 Nm | 14 km | Mw 4.4 | 87.28 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/05,03:02(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/05,03:02 | 36.4 N | 137.6 E | shallow | Mj 4.3 | HIDA_MOUNTAINS_REGION |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 355 ; 264 | 84 ; 76 | 14 ; 174 | 2.53e+16 Nm | 8 km | Mw 4.9 | 91.04 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/05,01:08(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/05,01:08 | 36.4 N | 137.6 E | 10 km | Mj 4.4 | HIDA_MOUNTAINS_REGION |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 354 ; 261 | 82 ; 75 | 15 ; 172 | 1.76e+16 Nm | 8 km | Mw 4.8 | 91.42 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/04,08:15(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/04,08:15 | 35.2 N | 136.5 E | 10 km | Mj 3.6 | SHIGA_GIFU_BORDER_REGION |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 12 ; 161 | 54 ; 41 | 110 ; 65 | 2.50e+14 Nm | 5 km | Mw 3.6 | 85.44 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/03,23:02(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/03,23:02 | 32.0 N | 131.9 E | 40 km | Mj 4.6 | HYUGANADA_REGION |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 188 ; 336 | 79 ; 13 | -83 ; -121 | 1.42e+16 Nm | 23 km | Mw 4.7 | 87.83 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/03,21:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/03,21:46 | 35.6 N | 141.2 E | 40 km | Mj 3.5 | NEAR_CHOSHI_CITY |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 133 ; 338 | 64 ; 28 | -101 ; -68 | 1.08e+15 Nm | 38 km | Mw 4.0 | 53.78 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/03,12:57(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/03,12:57 | 39.8 N | 140.9 E | 10 km | Mj 3.5 | NORTHERN_IWATE_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 10 ; 234 | 56 ; 43 | 62 ; 125 | 3.66e+14 Nm | 5 km | Mw 3.7 | 88.47 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/03,12:25(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/03,12:25 | 39.8 N | 141.0 E | shallow | Mj 4.1 | NORTHERN_IWATE_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 354 ; 194 | 51 ; 41 | 77 ; 105 | 4.42e+14 Nm | 5 km | Mw 3.7 | 77.31 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/03,07:58(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/03,07:58 | 39.8 N | 141.0 E | shallow | Mj 6.0 | NORTHERN_IWATE_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 360 ; 217 | 52 ; 44 | 65 ; 118 | 7.53e+17 Nm | 5 km | Mw 5.9 | 76.65 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/03,05:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/03,05:28 | 36.2 N | 141.7 E | 40 km | Mj 3.5 | FAR_E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 301 ; 59 | 64 ; 46 | -51 ; -142 | 2.77e+14 Nm | 5 km | Mw 3.6 | 65.07 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/02,17:27(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/02,17:27 | 36.7 N | 142.1 E | 20 km | Mj 3.6 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 21 ; 198 | 69 ; 21 | 91 ; 87 | 4.71e+14 Nm | 20 km | Mw 3.7 | 83.89 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/09/01,01:21(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
| Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
| 1998/09/01,01:21 | 34.4 N | 140.3 E | 60 km | Mj 4.4 | FAR_S_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
| Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
| 228 ; 15 | 77 ; 15 | 98 ; 57 | 1.61e+15 Nm | 65 km | Mw 4.1 | 85.36 |

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

Seismograms
retreive digital waveform data
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