Data Report
Focal mechanisms / 199907
Contributed by NIED
Earthquake Information 1999/07/31,04:32(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/31,04:32 | 41.5 N | 142.1 E | 60 km | Mj 4.6 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
25 ; 197 | 71 ; 20 | 93 ; 82 | 9.80e+15 Nm | 53 km | Mw 4.6 | 78.19 |
Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region
Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/31,04:01(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/31,04:01 | 39.3 N | 142.1 E | 90 km | Mj 4.8 | E_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
178 ; 333 | 83 ; 8 | -87 ; -115 | 1.81e+15 Nm | 89 km | Mw 4.1 | 78.03 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/30,22:55(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/30,22:55 | 32.0 N | 130.1 E | 10 km | Mj 4.2 | W_OFF_AMAKUSA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
30 ; 121 | 86 ; 76 | 166 ; 4 | 1.22e+15 Nm | 8 km | Mw 4.0 | 88.67 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/28,20:56(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/28,20:56 | 44.3 N | 149.1 E | 60 km | Mj 4.2 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
52 ; 168 | 85 ; 11 | 100 ; 26 | 4.24e+15 Nm | 44 km | Mw 4.4 | 87.26 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/28,19:01(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/28,19:01 | 32.5 N | 130.6 E | 10 km | Mj 3.7 | SOUTHERN_KUMAMOTO_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
299 ; 209 | 90 ; 48 | 42 ; 180 | 2.46e+14 Nm | 5 km | Mw 3.6 | 91.03 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/28,17:59(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/28,17:59 | 32.5 N | 130.6 E | 10 km | Mj 3.9 | SOUTHERN_KUMAMOTO_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
113 ; 211 | 72 ; 69 | -23 ; -161 | 4.58e+14 Nm | 8 km | Mw 3.7 | 89.32 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/28,10:16(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/28,10:16 | 43.1 N | 146.7 E | 60 km | Mj 3.7 | OFF_NEMURO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
71 ; 254 | 60 ; 30 | 88 ; 93 | 5.17e+14 Nm | 44 km | Mw 3.8 | 67.17 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/28,09:59(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/28,09:59 | 34.0 N | 133.5 E | 10 km | Mj 3.7 | HIUCHINADA_SETONAIKAI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
355 ; 85 | 87 ; 80 | -10 ; -177 | 1.43e+14 Nm | 23 km | Mw 3.4 | 69.42 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/27,14:14(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/27,14:14 | 39.7 N | 142.2 E | 30 km | Mj 4.2 | E_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
249 ; 138 | 86 ; 10 | 80 ; 159 | 2.51e+14 Nm | 26 km | Mw 3.6 | 69.42 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/27,05:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/27,05:30 | 39.9 N | 145.0 E | 20 km | Mj 5.4 | FAR_E_OFF_NORTH_HONSHU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
36 ; 152 | 65 ; 48 | -48 ; -145 | 3.30e+16 Nm | 29 km | Mw 5.0 | 75.51 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/27,00:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/27,00:03 | 26.0 N | 128.7 E | 60 km | Mj 3.7 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
203 ; 98 | 86 ; 14 | 77 ; 164 | 3.11e+15 Nm | 26 km | Mw 4.3 | 87.51 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/26,02:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/26,02:46 | 40.7 N | 141.9 E | 100 km | Mj 4.9 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
31 ; 294 | 89 ; 5 | 85 ; 173 | 2.30e+16 Nm | 119 km | Mw 4.9 | 64.63 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/25,04:24(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/25,04:24 | 33.7 N | 132.0 E | 80 km | Mj 4.2 | IYONADA_SETONAIKAI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
236 ; 347 | 64 ; 54 | 139 ; 33 | 1.25e+15 Nm | 77 km | Mw 4.0 | 67.83 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/24,21:25(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/24,21:25 | 35.4 N | 138.9 E | 20 km | Mj 3.7 | EASTERN_YAMANASHI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
38 ; 228 | 62 ; 28 | 85 ; 99 | 1.28e+14 Nm | 20 km | Mw 3.4 | 66.96 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/24,07:23(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/24,07:23 | 36.3 N | 140.0 E | 80 km | Mj 3.7 | SW_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
1 ; 185 | 60 ; 30 | 88 ; 93 | 2.60e+14 Nm | 71 km | Mw 3.6 | 67.75 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/24,01:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/24,01:42 | 43.5 N | 147.2 E | 40 km | Mj 4.7 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
76 ; 275 | 85 ; 5 | 88 ; 108 | 9.90e+16 Nm | 38 km | Mw 5.3 | 87.68 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/22,22:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/22,22:03 | 36.1 N | 141.2 E | 30 km | Mj 4.1 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
17 ; 261 | 80 ; 23 | 70 ; 152 | 1.68e+15 Nm | 23 km | Mw 4.1 | 84.85 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/22,21:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/22,21:53 | 36.1 N | 141.2 E | 40 km | Mj 4.5 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
12 ; 260 | 82 ; 20 | 71 ; 157 | 1.19e+16 Nm | 26 km | Mw 4.7 | 85.86 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/22,21:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/22,21:46 | 36.1 N | 141.1 E | 30 km | Mj 4.1 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
9 ; 270 | 86 ; 22 | 68 ; 170 | 2.01e+15 Nm | 23 km | Mw 4.2 | 83.98 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/22,20:16(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/22,20:16 | 36.1 N | 141.1 E | 30 km | Mj 4.2 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
13 ; 263 | 83 ; 20 | 71 ; 159 | 1.14e+15 Nm | 26 km | Mw 4.0 | 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 1999/07/22,13:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/22,13:46 | 42.6 N | 143.5 E | 90 km | Mj 4.9 | TOKACHI_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
69 ; 172 | 86 ; 16 | 105 ; 14 | 8.45e+15 Nm | 74 km | Mw 4.6 | 73.20 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/22,09:58(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/22,09:58 | 35.4 N | 140.4 E | 60 km | Mj 4.3 | KUJUKURI_COAST_BOSO_PEN |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
175 ; 346 | 62 ; 28 | -86 ; -98 | 4.37e+15 Nm | 53 km | Mw 4.4 | 80.74 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/22,08:57(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/22,08:57 | 43.7 N | 147.2 E | 50 km | Mj 4.0 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
193 ; 101 | 83 ; 72 | 18 ; 172 | 1.14e+15 Nm | 35 km | Mw 4.0 | 67.60 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/19,18:44(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/19,18:44 | 25.6 N | 128.7 E | 60 km | Mj 4.0 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
28 ; 266 | 62 ; 45 | -126 ; -41 | 8.37e+14 Nm | 35 km | Mw 3.9 | 73.24 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/19,09:10(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/19,09:10 | 42.1 N | 142.4 E | 60 km | Mj 4.3 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
20 ; 214 | 73 ; 18 | 86 ; 103 | 5.49e+14 Nm | 56 km | Mw 3.8 | 79.03 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/18,20:14(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/18,20:14 | 33.8 N | 134.3 E | 10 km | Mj 4.4 | TOKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
200 ; 299 | 73 ; 64 | 152 ; 19 | 7.20e+14 Nm | 11 km | Mw 3.9 | 91.62 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/18,00:34(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/18,00:34 | 35.3 N | 141.2 E | 20 km | Mj 4.3 | E_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
224 ; 326 | 76 ; 49 | -43 ; -162 | 3.53e+15 Nm | 23 km | Mw 4.3 | 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 1999/07/18,00:29(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/18,00:29 | 35.3 N | 141.2 E | 50 km | Mj 3.8 | E_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
212 ; 325 | 67 ; 47 | 132 ; 32 | 1.43e+15 Nm | 41 km | Mw 4.1 | 61.21 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/17,17:20(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/17,17:20 | 42.2 N | 142.6 E | 60 km | Mj 3.7 | HIDAKA_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
95 ; 187 | 87 ; 54 | -36 ; -177 | 3.22e+14 Nm | 44 km | Mw 3.6 | 73.09 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/17,15:27(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/17,15:27 | 34.2 N | 135.8 E | 50 km | Mj 4.1 | SOUTHERN_NARA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
65 ; 319 | 63 ; 62 | -148 ; -31 | 6.89e+14 Nm | 50 km | Mw 3.9 | 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 1999/07/17,03:25(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/17,03:25 | 29.2 N | 130.5 E | 70 km | Mj 3.8 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
210 ; 6 | 67 ; 25 | 100 ; 67 | 3.42e+15 Nm | 32 km | Mw 4.3 | 72.08 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/17,01:06(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/17,01:06 | 43.5 N | 147.5 E | 30 km | Mj 4.7 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
61 ; 242 | 64 ; 26 | 90 ; 91 | 5.33e+15 Nm | 44 km | Mw 4.5 | 83.46 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/16,02:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/16,02:19 | 29.6 N | 129.9 E | 30 km | Mj 4.5 | NEAR_TOKARA_ISLANDS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
271 ; 113 | 52 ; 40 | -104 ; -73 | 1.32e+16 Nm | 8 km | Mw 4.7 | 69.04 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/15,23:56(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/15,23:56 | 38.3 N | 143.3 E | 10 km | Mj 3.6 | FAR_E_OFF_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
37 ; 170 | 75 ; 22 | 106 ; 45 | 2.51e+14 Nm | 14 km | Mw 3.6 | 62.50 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/15,23:13(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/15,23:13 | 28.5 N | 128.3 E | 120 km | Mj 4.4 | NW_OFF_AMAMI-OSHIMA_IS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
356 ; 109 | 70 ; 43 | -51 ; -150 | 2.40e+16 Nm | 92 km | Mw 4.9 | 98.52 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/15,17:59(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/15,17:59 | 34.4 N | 133.2 E | 20 km | Mj 4.4 | EASTERN_HIROSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
201 ; 293 | 83 ; 71 | 161 ; 8 | 2.12e+15 Nm | 17 km | Mw 4.2 | 95.25 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/15,10:25(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/15,10:25 | 34.6 N | 135.1 E | 20 km | Mj 3.8 | OSAKA_BAY_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
28 ; 188 | 55 ; 37 | 102 ; 73 | 4.73e+14 Nm | 8 km | Mw 3.8 | 81.39 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/14,22:56(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/14,22:56 | 36.0 N | 140.5 E | 70 km | Mj 4.8 | SOUTHERN_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
8 ; 167 | 72 ; 19 | 97 ; 70 | 5.33e+16 Nm | 56 km | Mw 5.1 | 94.38 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1999/07/14,09:18(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/14,09:18 | 39.1 N | 142.9 E | 20 km | Mj 3.9 | FAR_E_OFF_SANRIKU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
23 ; 181 | 73 ; 19 | 97 ; 69 | 4.26e+14 Nm | 26 km | Mw 3.7 | 86.35 |

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

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Earthquake Information 1999/07/13,04:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/13,04:28 | 34.6 N | 140.6 E | 60 km | Mj 3.7 | SE_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
39 ; 149 | 77 ; 34 | 121 ; 24 | 7.66e+14 Nm | 38 km | Mw 3.9 | 83.09 |

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

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Earthquake Information 1999/07/10,15:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/10,15:19 | 36.7 N | 141.6 E | 40 km | Mj 3.8 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
359 ; 204 | 72 ; 20 | -98 ; -66 | 1.85e+14 Nm | 26 km | Mw 3.5 | 72.37 |

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

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Earthquake Information 1999/07/08,20:38(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/08,20:38 | 34.6 N | 137.0 E | 340 km | Mj 4.5 | MIKAWA_BAY_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
214 ; 331 | 84 ; 12 | 101 ; 27 | 2.59e+15 Nm | 320 km | Mw 4.2 | 91.62 |

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

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Earthquake Information 1999/07/07,19:57(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/07,19:57 | 34.0 N | 142.5 E | 80 km | Mj 4.5 | FAR_E_OFF_CENTRAL_HONSHU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
186 ; 29 | 59 ; 34 | -103 ; -70 | 6.87e+15 Nm | 5 km | Mw 4.5 | 67.72 |

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

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Earthquake Information 1999/07/07,17:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/07,17:19 | 25.3 N | 128.4 E | 80 km | Mj 4.1 | NEAR_OKINAWAJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
11 ; 155 | 85 ; 6 | 94 ; 54 | 1.22e+16 Nm | 62 km | Mw 4.7 | 84.35 |

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

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Earthquake Information 1999/07/07,13:09(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/07,13:09 | 42.9 N | 145.4 E | 50 km | Mj 3.7 | OFF_NEMURO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
16 ; 258 | 76 ; 28 | 66 ; 149 | 2.41e+14 Nm | 50 km | Mw 3.6 | 64.07 |

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

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Earthquake Information 1999/07/07,11:10(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/07,11:10 | 43.5 N | 147.8 E | 20 km | Mj 4.0 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
286 ; 168 | 70 ; 38 | -123 ; -34 | 9.05e+14 Nm | 35 km | Mw 3.9 | 79.64 |

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

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Earthquake Information 1999/07/06,15:16(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/06,15:16 | 32.1 N | 140.8 E | 10 km | Mj 4.1 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
291 ; 191 | 75 ; 59 | -148 ; -18 | 3.81e+15 Nm | 11 km | Mw 4.4 | 90.06 |

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

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Earthquake Information 1999/07/06,07:10(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/06,07:10 | 29.2 N | 130.6 E | 30 km | Mj 3.7 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
24 ; 201 | 55 ; 35 | 92 ; 88 | 2.90e+15 Nm | 29 km | Mw 4.3 | 70.16 |

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

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Earthquake Information 1999/07/05,21:44(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/05,21:44 | 43.4 N | 147.0 E | 40 km | Mj 3.5 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
67 ; 266 | 86 ; 4 | 89 ; 108 | 5.64e+14 Nm | 65 km | Mw 3.8 | 72.48 |

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

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Earthquake Information 1999/07/05,08:49(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/05,08:49 | 32.4 N | 142.0 E | 40 km | Mj 3.8 | FAR_E_OFF_IZU_ISLANDS |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
305 ; 135 | 57 ; 33 | 85 ; 98 | 8.06e+15 Nm | 5 km | Mw 4.6 | 70.76 |

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

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Earthquake Information 1999/07/05,03:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/05,03:46 | 43.5 N | 147.5 E | 50 km | Mj 5.0 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
59 ; 207 | 77 ; 15 | 98 ; 59 | 4.29e+16 Nm | 56 km | Mw 5.1 | 59.36 |

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

Seismograms
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Earthquake Information 1999/07/05,01:05(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/05,01:05 | 42.3 N | 138.2 E | 290 km | Mj 4.3 | EASTERN_SEA_OF_JAPAN |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
65 ; 325 | 79 ; 50 | -139 ; -14 | 3.60e+15 Nm | 290 km | Mw 4.3 | 91.97 |

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

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Earthquake Information 1999/07/01,21:38(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/01,21:38 | 34.5 N | 139.3 E | 10 km | Mj 4.1 | NEAR_NIIJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
113 ; 22 | 87 ; 81 | -171 ; -3 | 5.62e+14 Nm | 17 km | Mw 3.8 | 90.75 |

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

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Earthquake Information 1999/07/01,19:17(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/01,19:17 | 36.5 N | 140.7 E | 60 km | Mj 4.0 | NORTHERN_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
15 ; 196 | 75 ; 15 | 90 ; 91 | 4.68e+14 Nm | 56 km | Mw 3.7 | 72.22 |

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

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Earthquake Information 1999/07/01,11:12(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/01,11:12 | 42.0 N | 142.5 E | 60 km | Mj 4.5 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
25 ; 217 | 72 ; 18 | 86 ; 101 | 3.22e+15 Nm | 50 km | Mw 4.3 | 83.30 |

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

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Earthquake Information 1999/07/01,04:33(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1999/07/01,04:33 | 41.8 N | 142.2 E | 100 km | Mj 4.4 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
223 ; 99 | 58 ; 48 | -128 ; -45 | 2.46e+15 Nm | 92 km | Mw 4.2 | 82.39 |

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

Seismograms
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