Data Report
Focal mechanisms / 199710
Contributed by NIED
Earthquake Information 1997/10/30,06:10(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/30,06:10 | 41.3 N | 142.6 E | 40 km | Mj 3.8 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
123 ; 356 | 55 ; 50 | 52 ; 131 | 1.48e+15 Nm | 32 km | Mw 4.1 | 71.37 |
Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region
Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/29,10:18(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/29,10:18 | 34.2 N | 139.2 E | 10 km | Mj 3.8 | NEAR_NIIJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
135 ; 226 | 86 ; 75 | 165 ; 4 | 1.29e+15 Nm | 41 km | Mw 4.0 | 72.92 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/28,15:25(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/28,15:25 | 44.1 N | 148.7 E | 60 km | Mj 3.9 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
221 ; 130 | 89 ; 47 | -137 ; -2 | 9.89e+14 Nm | 29 km | Mw 4.0 | 60.38 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/27,13:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/27,13:53 | 34.3 N | 139.2 E | 10 km | Mj 3.5 | NEAR_NIIJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
295 ; 45 | 63 ; 57 | 142 ; 33 | 5.95e+14 Nm | 20 km | Mw 3.8 | 60.12 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/26,19:06(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/26,19:06 | 39.3 N | 140.6 E | 120 km | Mj 5.1 | SOUTHERN_AKITA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
91 ; 257 | 49 ; 42 | 100 ; 79 | 1.43e+17 Nm | 130 km | Mw 5.4 | 86.99 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/25,23:00(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/25,23:00 | 43.5 N | 147.9 E | shallow | Mj 4.3 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
48 ; 162 | 74 ; 35 | 121 ; 28 | 8.63e+15 Nm | 17 km | Mw 4.6 | 64.77 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/25,19:14(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/25,19:14 | 41.9 N | 142.8 E | 60 km | Mj 3.8 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
115 ; 325 | 76 ; 16 | -98 ; -61 | 1.48e+15 Nm | 62 km | Mw 4.1 | 87.84 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/24,08:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/24,08:03 | 43.2 N | 147.2 E | 60 km | Mj 3.9 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
82 ; 281 | 71 ; 20 | 83 ; 109 | 1.08e+15 Nm | 47 km | Mw 4.0 | 66.17 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/24,00:38(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/24,00:38 | 32.5 N | 132.3 E | 20 km | Mj 3.9 | HYUGANADA_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
184 ; 309 | 69 ; 34 | -62 ; -140 | 3.14e+14 Nm | 26 km | Mw 3.6 | 96.93 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/23,19:59(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/23,19:59 | 33.6 N | 141.1 E | 80 km | Mj 4.1 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
24 ; 222 | 78 ; 12 | 86 ; 107 | 1.33e+15 Nm | 98 km | Mw 4.0 | 87.09 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/23,17:18(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/23,17:18 | 34.7 N | 135.2 E | 10 km | Mj 3.5 | SE_HYOGO_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
25 ; 258 | 60 ; 44 | 56 ; 134 | 1.67e+14 Nm | 11 km | Mw 3.4 | 68.65 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/22,18:54(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/22,18:54 | 42.0 N | 142.5 E | 60 km | Mj 3.6 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
265 ; 166 | 76 ; 57 | -146 ; -17 | 6.65e+14 Nm | 56 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 1997/10/22,09:55(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/22,09:55 | 44.5 N | 146.5 E | 160 km | Mj 5.7 | NEAR_KUNASHIRI_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
40 ; 292 | 67 ; 54 | -141 ; -29 | 2.42e+17 Nm | 145 km | Mw 5.6 | 64.21 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/22,06:41(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/22,06:41 | 36.0 N | 140.1 E | 70 km | Mj 3.6 | SOUTHERN_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
346 ; 214 | 63 ; 38 | 63 ; 132 | 7.34e+14 Nm | 62 km | Mw 3.9 | 84.48 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/21,10:55(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/21,10:55 | 35.1 N | 138.2 E | 30 km | Mj 4.3 | CENTRAL_SHIZUOKA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
199 ; 318 | 81 ; 19 | -73 ; -150 | 2.47e+15 Nm | 29 km | Mw 4.2 | 90.69 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/21,07:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/21,07:46 | 32.7 N | 131.9 E | 50 km | Mj 3.9 | HYUGANADA_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
188 ; 308 | 82 ; 15 | -77 ; -148 | 6.60e+14 Nm | 53 km | Mw 3.8 | 72.45 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/20,14:12(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/20,14:12 | 36.3 N | 140.9 E | 40 km | Mj 4.1 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
4 ; 260 | 82 ; 29 | 62 ; 164 | 4.53e+15 Nm | 38 km | Mw 4.4 | 88.38 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/20,06:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/20,06:42 | 43.2 N | 146.7 E | 60 km | Mj 4.0 | OFF_NEMURO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
285 ; 17 | 88 ; 50 | 140 ; 2 | 5.58e+16 Nm | 113 km | Mw 5.1 | 73.85 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/18,10:26(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/18,10:26 | 41.8 N | 141.4 E | 130 km | Mj 4.0 | S_OFF_TOMAKOMAI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
90 ; 286 | 63 ; 28 | -97 ; -77 | 2.54e+15 Nm | 160 km | Mw 4.2 | 89.36 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/16,21:38(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/16,21:38 | 29.1 N | 130.2 E | 60 km | Mj 4.1 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
29 ; 209 | 73 ; 17 | 90 ; 89 | 1.74e+16 Nm | 38 km | Mw 4.8 | 82.63 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/16,19:00(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/16,19:00 | 43.5 N | 146.4 E | 50 km | Mj 4.8 | NEAR_KUNASHIRI_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
252 ; 156 | 80 ; 59 | 32 ; 168 | 7.07e+15 Nm | 38 km | Mw 4.5 | 86.58 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/13,07:55(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/13,07:55 | 35.0 N | 139.1 E | 10 km | Mj 3.5 | E_OFF_IZU_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
197 ; 101 | 78 ; 67 | 24 ; 167 | 1.16e+14 Nm | 8 km | Mw 3.3 | 85.01 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/11,20:52(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/11,20:52 | 42.0 N | 145.0 E | 40 km | Mj 3.8 | SE_OFF_TOKACHI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
207 ; 65 | 84 ; 7 | 86 ; 128 | 2.77e+15 Nm | 5 km | Mw 4.3 | 77.59 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/11,19:39(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/11,19:39 | 42.0 N | 145.0 E | 40 km | Mj 5.1 | SE_OFF_TOKACHI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
207 ; 97 | 85 ; 15 | 76 ; 159 | 1.43e+17 Nm | 8 km | Mw 5.4 | 81.69 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/11,09:45(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/11,09:45 | 38.9 N | 142.2 E | 50 km | Mj 5.1 | KINKAZAN_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
30 ; 148 | 74 ; 32 | 118 ; 32 | 8.05e+16 Nm | 47 km | Mw 5.2 | 88.92 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/11,08:24(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/11,08:24 | 34.0 N | 135.3 E | 10 km | Mj 3.6 | NW_WAKAYAMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
325 ; 217 | 73 ; 43 | 49 ; 155 | 2.03e+14 Nm | 8 km | Mw 3.5 | 70.64 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/11,05:44(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/11,05:44 | 34.4 N | 138.2 E | 40 km | Mj 4.9 | ENSYUNADA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
112 ; 307 | 52 ; 39 | 81 ; 102 | 3.38e+16 Nm | 11 km | Mw 5.0 | 87.66 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/10,05:37(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/10,05:37 | 31.7 N | 131.8 E | 30 km | Mj 3.9 | HYUGANADA_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
12 ; 166 | 66 ; 27 | 101 ; 67 | 1.07e+15 Nm | 32 km | Mw 4.0 | 83.96 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/10,00:56(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/10,00:56 | 40.7 N | 142.6 E | 10 km | Mj 4.5 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
329 ; 106 | 52 ; 47 | -60 ; -122 | 1.35e+16 Nm | 47 km | Mw 4.7 | 63.41 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/09,20:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/09,20:42 | 41.9 N | 138.9 E | 40 km | Mj 5.1 | SW_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
26 ; 139 | 62 ; 53 | 137 ; 36 | 1.17e+17 Nm | 11 km | Mw 5.3 | 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 1997/10/09,08:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/09,08:19 | 34.8 N | 140.1 E | 60 km | Mj 3.8 | SE_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
164 ; 304 | 66 ; 30 | -71 ; -126 | 2.49e+15 Nm | 65 km | Mw 4.2 | 96.90 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/09,04:00(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/09,04:00 | 41.9 N | 145.0 E | 40 km | Mj 5.0 | SE_OFF_TOKACHI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
205 ; 98 | 79 ; 34 | 58 ; 160 | 9.45e+16 Nm | 8 km | Mw 5.3 | 81.48 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/09,03:29(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/09,03:29 | 41.9 N | 145.0 E | 40 km | Mj 5.1 | SE_OFF_TOKACHI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
16 ; 264 | 61 ; 56 | 40 ; 144 | 5.33e+16 Nm | 5 km | Mw 5.1 | 80.54 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/08,21:20(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/08,21:20 | 41.9 N | 145.1 E | 40 km | Mj 5.6 | SE_OFF_TOKACHI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
201 ; 93 | 85 ; 16 | 75 ; 161 | 1.19e+18 Nm | 8 km | Mw 6.0 | 83.24 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/08,19:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/08,19:30 | 35.1 N | 139.2 E | shallow | Mj 3.7 | E_OFF_IZU_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
93 ; 230 | 67 ; 30 | 110 ; 51 | 1.07e+14 Nm | 8 km | Mw 3.3 | 90.64 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/08,16:22(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/08,16:22 | 36.5 N | 142.6 E | 40 km | Mj 3.8 | FAR_E_OFF_KANTO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
351 ; 222 | 55 ; 48 | 54 ; 130 | 7.84e+15 Nm | 8 km | Mw 4.6 | 67.77 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/08,10:06(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/08,10:06 | 34.9 N | 136.9 E | 20 km | Mj 3.5 | MIKAWA_BAY_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
99 ; 4 | 80 ; 64 | 26 ; 169 | 8.25e+13 Nm | 20 km | Mw 3.2 | 62.86 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/08,08:47(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/08,08:47 | 36.4 N | 142.7 E | 60 km | Mj 4.1 | FAR_E_OFF_KANTO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
356 ; 224 | 58 ; 43 | 59 ; 129 | 7.53e+15 Nm | 8 km | Mw 4.6 | 74.30 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/07,01:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/07,01:19 | 32.0 N | 130.4 E | 10 km | Mj 3.6 | NW_KAGOSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
290 ; 200 | 88 ; 75 | 15 ; 178 | 6.24e+14 Nm | 11 km | Mw 3.8 | 96.22 |

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

Seismograms
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Earthquake Information 1997/10/06,12:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/06,12:28 | 34.4 N | 141.8 E | 30 km | Mj 3.6 | FAR_SE_OFF_BOSO_PEN |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
53 ; 146 | 85 ; 53 | 143 ; 6 | 3.57e+14 Nm | 17 km | Mw 3.7 | 65.93 |

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

Seismograms
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Earthquake Information 1997/10/06,09:18(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/06,09:18 | 42.0 N | 142.3 E | 70 km | Mj 3.8 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
118 ; 324 | 49 ; 44 | -107 ; -71 | 9.52e+14 Nm | 68 km | Mw 4.0 | 76.57 |

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

Seismograms
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Earthquake Information 1997/10/06,08:48(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/06,08:48 | 34.8 N | 140.1 E | 70 km | Mj 3.5 | SE_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
164 ; 290 | 65 ; 39 | -59 ; -138 | 2.94e+14 Nm | 62 km | Mw 3.6 | 80.92 |

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

Seismograms
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Earthquake Information 1997/10/05,23:49(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/05,23:49 | 44.5 N | 149.9 E | 60 km | Mj 4.1 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
57 ; 193 | 69 ; 28 | 109 ; 50 | 1.27e+16 Nm | 38 km | Mw 4.7 | 69.53 |

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

Seismograms
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Earthquake Information 1997/10/03,18:51(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/03,18:51 | 34.5 N | 139.1 E | shallow | Mj 3.5 | NEAR_NIIJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
26 ; 119 | 83 ; 67 | -23 ; -172 | 9.99e+13 Nm | 5 km | Mw 3.3 | 73.26 |

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

Seismograms
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Earthquake Information 1997/10/03,18:33(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/03,18:33 | 32.8 N | 129.2 E | 20 km | Mj 3.7 | GOTO_ISLANDS_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
359 ; 138 | 74 ; 21 | 103 ; 51 | 2.55e+14 Nm | 5 km | Mw 3.6 | 85.40 |

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

Seismograms
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Earthquake Information 1997/10/03,04:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/03,04:46 | 42.5 N | 144.8 E | 50 km | Mj 4.9 | SE_OFF_TOKACHI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
23 ; 270 | 80 ; 25 | 67 ; 155 | 3.99e+16 Nm | 62 km | Mw 5.0 | 70.65 |

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

Seismograms
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Earthquake Information 1997/10/02,12:06(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/02,12:06 | 37.8 N | 138.8 E | 20 km | Mj 3.9 | NE_NIIGATA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
209 ; 52 | 56 ; 36 | 77 ; 109 | 2.86e+14 Nm | 20 km | Mw 3.6 | 73.65 |

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

Seismograms
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Earthquake Information 1997/10/01,17:21(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/01,17:21 | 42.4 N | 142.4 E | 30 km | Mj 3.6 | HIDAKA_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
109 ; 4 | 77 ; 43 | 49 ; 160 | 4.51e+14 Nm | 11 km | Mw 3.7 | 82.74 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/10/01,16:49(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/10/01,16:49 | 29.3 N | 130.6 E | 70 km | Mj 3.7 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
198 ; 31 | 75 ; 15 | 87 ; 103 | 1.60e+16 Nm | 44 km | Mw 4.8 | 83.92 |

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

Seismograms
retreive digital waveform data
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