Data Report
Focal mechanisms / 199908
Contributed by NIED
Earthquake Information 1999/08/31,19:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/31,19:53 | 33.9 N | 137.2 E | 350 km | Mj 4.5 | SE_OFF_KII_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
345 ; 91 | 76 ; 42 | -50 ; -159 | 1.20e+15 Nm | 340 km | Mw 4.0 | 82.30 |
Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region
Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/31,08:35(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/31,08:35 | 33.6 N | 137.3 E | 330 km | Mj 4.5 | SE_OFF_KII_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
354 ; 253 | 88 ; 13 | -102 ; -12 | 2.00e+16 Nm | 360 km | Mw 4.8 | 97.19 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/30,19:01(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/30,19:01 | 29.2 N | 130.1 E | 50 km | Mj 3.5 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
225 ; 33 | 73 ; 17 | -87 ; -101 | 1.36e+15 Nm | 56 km | Mw 4.1 | 70.55 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/30,11:56(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/30,11:56 | 34.1 N | 141.7 E | 30 km | Mj 3.5 | FAR_SE_OFF_BOSO_PEN |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
19 ; 259 | 58 ; 52 | 47 ; 138 | 5.11e+15 Nm | 8 km | Mw 4.4 | 72.69 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/29,16:38(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/29,16:38 | 43.4 N | 146.8 E | 40 km | Mj 3.7 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
154 ; 252 | 79 ; 57 | -34 ; -166 | 2.45e+14 Nm | 44 km | Mw 3.6 | 81.63 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/28,09:01(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/28,09:01 | 40.7 N | 141.9 E | 70 km | Mj 3.8 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
207 ; 90 | 75 ; 30 | 63 ; 150 | 3.11e+14 Nm | 77 km | Mw 3.6 | 83.20 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/26,20:15(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/26,20:15 | 26.5 N | 128.8 E | 40 km | Mj 4.3 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
26 ; 181 | 86 ; 4 | -88 ; -114 | 1.62e+16 Nm | 35 km | Mw 4.8 | 81.97 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/24,02:52(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/24,02:52 | 36.0 N | 137.5 E | 10 km | Mj 3.5 | WESTERN_NAGANO_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
313 ; 70 | 57 ; 55 | -44 ; -138 | 7.72e+13 Nm | 5 km | Mw 3.2 | 62.89 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/23,10:08(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/23,10:08 | 41.9 N | 142.7 E | 60 km | Mj 4.8 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
29 ; 225 | 69 ; 22 | 84 ; 105 | 3.97e+16 Nm | 50 km | Mw 5.0 | 81.51 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/23,06:11(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/23,06:11 | 41.7 N | 143.8 E | 50 km | Mj 5.1 | SE_OFF_ERIMOMISAKI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
23 ; 212 | 56 ; 34 | 85 ; 97 | 7.37e+16 Nm | 41 km | Mw 5.2 | 67.63 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/22,05:29(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/22,05:29 | 36.2 N | 136.9 E | shallow | Mj 3.9 | TOYAMA_GIFU_BORDER_REG |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
151 ; 241 | 89 ; 84 | -6 ; -179 | 4.24e+14 Nm | 8 km | Mw 3.7 | 87.82 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/22,03:51(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/22,03:51 | 37.9 N | 142.0 E | 40 km | Mj 4.7 | SE_OFF_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
23 ; 169 | 77 ; 15 | 98 ; 57 | 2.24e+15 Nm | 38 km | Mw 4.2 | 88.66 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/21,19:00(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/21,19:00 | 43.1 N | 145.8 E | 50 km | Mj 4.3 | OFF_NEMURO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
340 ; 244 | 81 ; 54 | 37 ; 169 | 1.14e+15 Nm | 62 km | Mw 4.0 | 91.11 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/21,11:15(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/21,11:15 | 36.2 N | 139.3 E | 110 km | Mj 3.8 | WESTERN_SAITAMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
283 ; 25 | 74 ; 52 | -39 ; -160 | 7.83e+14 Nm | 130 km | Mw 3.9 | 69.78 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/21,10:36(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/21,10:36 | 35.7 N | 140.7 E | 50 km | Mj 4.1 | NEAR_CHOSHI_CITY |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
23 ; 183 | 68 ; 23 | 98 ; 72 | 1.35e+15 Nm | 50 km | Mw 4.1 | 89.62 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/20,20:33(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/20,20:33 | 34.0 N | 135.5 E | 70 km | Mj 5.5 | CENTRAL_WAKAYAMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
319 ; 75 | 78 ; 25 | -68 ; -151 | 2.79e+17 Nm | 65 km | Mw 5.6 | 93.15 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/20,15:21(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/20,15:21 | 40.7 N | 142.6 E | 20 km | Mj 4.6 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
339 ; 191 | 71 ; 22 | 79 ; 120 | 1.97e+15 Nm | 38 km | Mw 4.2 | 77.12 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/20,08:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/20,08:46 | 35.4 N | 137.4 E | 50 km | Mj 3.9 | SE_GIFU_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
218 ; 322 | 66 ; 62 | -31 ; -152 | 2.97e+14 Nm | 47 km | Mw 3.6 | 84.25 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/20,07:09(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/20,07:09 | 25.9 N | 128.6 E | 60 km | Mj 3.6 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
24 ; 238 | 88 ; 2 | -91 ; -55 | 8.75e+14 Nm | 20 km | Mw 3.9 | 81.75 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/19,23:57(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/19,23:57 | 41.6 N | 141.9 E | 60 km | Mj 4.1 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
29 ; 165 | 66 ; 32 | 112 ; 50 | 3.65e+14 Nm | 44 km | Mw 3.7 | 57.04 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/19,22:34(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/19,22:34 | 43.1 N | 146.8 E | 60 km | Mj 4.5 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
77 ; 227 | 60 ; 33 | 106 ; 64 | 3.84e+15 Nm | 32 km | Mw 4.4 | 82.71 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/19,04:01(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/19,04:01 | 33.6 N | 138.7 E | 40 km | Mj 3.7 | FAR_S_OFF_TOKAI_DISTRICT |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
291 ; 40 | 62 ; 58 | 143 ; 33 | 2.57e+14 Nm | 8 km | Mw 3.6 | 75.76 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/18,17:50(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/18,17:50 | 43.0 N | 146.9 E | 50 km | Mj 3.9 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
39 ; 144 | 67 ; 59 | 146 ; 27 | 7.71e+14 Nm | 32 km | Mw 3.9 | 78.74 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/18,07:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/18,07:43 | 25.9 N | 128.6 E | 50 km | Mj 3.5 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
206 ; 78 | 80 ; 15 | 78 ; 141 | 9.57e+14 Nm | 17 km | Mw 4.0 | 86.62 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/18,06:17(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/18,06:17 | 25.9 N | 128.6 E | 60 km | Mj 3.5 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
23 ; 145 | 88 ; 3 | -87 ; -148 | 2.12e+15 Nm | 5 km | Mw 4.2 | 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 1999/08/18,00:16(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/18,00:16 | 40.1 N | 142.8 E | 20 km | Mj 5.0 | NE_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
17 ; 193 | 72 ; 18 | 91 ; 86 | 1.62e+16 Nm | 35 km | Mw 4.8 | 83.88 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/17,04:24(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/17,04:24 | 29.0 N | 130.2 E | 40 km | Mj 4.2 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
15 ; 197 | 56 ; 34 | -91 ; -88 | 2.14e+16 Nm | 62 km | Mw 4.9 | 70.82 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/16,20:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/16,20:42 | 33.7 N | 141.1 E | 60 km | Mj 3.9 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
320 ; 194 | 67 ; 37 | 61 ; 138 | 2.91e+15 Nm | 47 km | Mw 4.3 | 93.38 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/16,18:41(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/16,18:41 | 43.9 N | 147.6 E | 40 km | Mj 4.2 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
40 ; 293 | 72 ; 48 | 44 ; 155 | 1.52e+15 Nm | 44 km | Mw 4.1 | 76.14 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/16,07:29(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/16,07:29 | 31.9 N | 138.2 E | 390 km | Mj 5.1 | NEAR_TORISHIMA_IS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
6 ; 103 | 88 ; 19 | -71 ; -173 | 3.71e+16 Nm | 380 km | Mw 5.0 | 88.20 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/15,22:32(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/15,22:32 | 42.2 N | 142.9 E | 60 km | Mj 4.2 | HIDAKA_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
32 ; 221 | 70 ; 21 | 87 ; 98 | 1.12e+15 Nm | 47 km | Mw 4.0 | 78.44 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/15,01:20(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/15,01:20 | 32.6 N | 140.8 E | 60 km | Mj 4.2 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
202 ; 35 | 62 ; 29 | 84 ; 101 | 1.72e+15 Nm | 50 km | Mw 4.1 | 55.12 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/12,20:50(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/12,20:50 | 43.5 N | 147.5 E | 30 km | Mj 4.4 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
72 ; 220 | 67 ; 26 | 104 ; 61 | 1.65e+16 Nm | 47 km | Mw 4.8 | 82.19 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/11,17:47(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/11,17:47 | 34.8 N | 136.9 E | 30 km | Mj 3.5 | MIKAWA_BAY_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
35 ; 301 | 80 ; 68 | 22 ; 170 | 9.07e+13 Nm | 47 km | Mw 3.3 | 64.12 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/11,09:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/11,09:28 | 35.4 N | 139.8 E | 60 km | Mj 4.2 | TOKYO_BAY_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
62 ; 317 | 85 ; 17 | 73 ; 164 | 9.93e+14 Nm | 53 km | Mw 4.0 | 90.34 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/10,18:38(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/10,18:38 | 43.2 N | 147.9 E | 20 km | Mj 4.5 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
250 ; 357 | 71 ; 50 | -43 ; -155 | 4.73e+16 Nm | 17 km | Mw 5.1 | 75.21 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/08,21:39(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/08,21:39 | 35.9 N | 139.9 E | 110 km | Mj 4.6 | EASTERN_SAITAMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
164 ; 35 | 70 ; 30 | -113 ; -42 | 8.17e+15 Nm | 113 km | Mw 4.6 | 87.92 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/08,15:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/08,15:42 | 36.1 N | 140.0 E | 70 km | Mj 3.6 | SW_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
359 ; 207 | 77 ; 14 | 83 ; 117 | 6.38e+14 Nm | 89 km | Mw 3.8 | 78.20 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/08,11:29(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/08,11:29 | 40.5 N | 142.0 E | 90 km | Mj 3.8 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
30 ; 147 | 61 ; 52 | -45 ; -141 | 4.21e+14 Nm | 104 km | Mw 3.7 | 86.02 |

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

Seismograms
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Earthquake Information 1999/08/07,11:12(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/07,11:12 | 37.4 N | 142.3 E | 20 km | Mj 3.8 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
39 ; 169 | 65 ; 36 | 117 ; 46 | 3.16e+14 Nm | 11 km | Mw 3.6 | 52.94 |

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

Seismograms
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Earthquake Information 1999/08/07,03:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/07,03:30 | 34.4 N | 136.2 E | 10 km | Mj 3.6 | SOUTHERN_MIE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
4 ; 105 | 69 ; 63 | 151 ; 24 | 9.22e+13 Nm | 8 km | Mw 3.3 | 50.76 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/06,16:17(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/06,16:17 | 41.6 N | 142.1 E | 60 km | Mj 3.8 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
23 ; 203 | 71 ; 19 | 90 ; 90 | 4.31e+14 Nm | 50 km | Mw 3.7 | 71.40 |

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

Seismograms
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Earthquake Information 1999/08/05,16:26(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/05,16:26 | 35.7 N | 140.6 E | 50 km | Mj 4.1 | NEAR_CHOSHI_CITY |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
359 ; 161 | 73 ; 18 | 95 ; 73 | 5.53e+15 Nm | 53 km | Mw 4.5 | 93.33 |

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

Seismograms
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Earthquake Information 1999/08/04,13:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/04,13:46 | 42.7 N | 142.7 E | 50 km | Mj 3.5 | HIDAKA_MOUNTAINS_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
298 ; 59 | 67 ; 39 | -57 ; -143 | 1.51e+14 Nm | 59 km | Mw 3.4 | 71.87 |

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

Seismograms
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Earthquake Information 1999/08/04,11:26(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/04,11:26 | 38.1 N | 143.2 E | shallow | Mj 3.5 | FAR_E_OFF_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
18 ; 219 | 63 ; 29 | 80 ; 108 | 1.87e+14 Nm | 20 km | Mw 3.5 | 50.00 |

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

Seismograms
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Earthquake Information 1999/08/04,09:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/04,09:42 | 33.4 N | 135.3 E | 30 km | Mj 3.6 | S_OFF_KII_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
214 ; 111 | 69 ; 61 | 32 ; 156 | 1.61e+14 Nm | 35 km | Mw 3.4 | 81.23 |

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

Seismograms
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Earthquake Information 1999/08/04,04:10(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/04,04:10 | 44.3 N | 149.3 E | 60 km | Mj 4.1 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
39 ; 136 | 77 ; 62 | 152 ; 15 | 6.57e+15 Nm | 47 km | Mw 4.5 | 76.73 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/02,15:32(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/02,15:32 | 40.1 N | 142.1 E | 50 km | Mj 4.8 | NE_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
14 ; 186 | 75 ; 15 | 92 ; 82 | 2.70e+15 Nm | 56 km | Mw 4.3 | 91.23 |

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

Seismograms
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Earthquake Information 1999/08/02,09:51(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/02,09:51 | 36.0 N | 137.5 E | 10 km | Mj 3.7 | WESTERN_NAGANO_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
159 ; 250 | 88 ; 74 | -16 ; -178 | 1.11e+14 Nm | 8 km | Mw 3.3 | 75.29 |

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

Seismograms
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Earthquake Information 1999/08/02,09:29(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/02,09:29 | 36.0 N | 137.5 E | 10 km | Mj 4.0 | WESTERN_NAGANO_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
338 ; 247 | 89 ; 78 | 12 ; 179 | 4.89e+14 Nm | 8 km | Mw 3.8 | 91.45 |

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

Seismograms
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Earthquake Information 1999/08/02,07:00(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/02,07:00 | 34.9 N | 141.1 E | 50 km | Mj 3.5 | E_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
319 ; 220 | 80 ; 50 | -139 ; -14 | 6.92e+14 Nm | 17 km | Mw 3.9 | 62.97 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/08/01,19:58(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/08/01,19:58 | 34.4 N | 135.3 E | 10 km | Mj 4.3 | OSAKA_BAY_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
187 ; 334 | 58 ; 37 | 110 ; 62 | 5.10e+14 Nm | 11 km | Mw 3.8 | 94.81 |

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

Seismograms
retreive digital waveform data
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