Data Report
Focal mechanisms / 200303
Contributed by NIED
Earthquake Information 2003/03/31,05:08(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/31,05:08 | 42.3 N | 144.7 E | 30 km | Mj 3.6 | SE_OFF_TOKACHI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
46 ; 224 | 56 ; 34 | 91 ; 88 | 1.68e+14 Nm | 17 km | Mw 3.5 | 69.59 |
Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region
Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/29,11:05(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/29,11:05 | 41.9 N | 142.2 E | 70 km | Mj 3.7 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
326 ; 139 | 51 ; 39 | 95 ; 84 | 2.58e+14 Nm | 50 km | Mw 3.6 | 74.93 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/27,05:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/27,05:53 | 35.3 N | 137.1 E | 40 km | Mj 4.1 | CENTRAL_AICHI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
302 ; 179 | 60 ; 47 | -128 ; -43 | 3.03e+14 Nm | 44 km | Mw 3.6 | 72.52 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/27,01:10(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/27,01:10 | 40.2 N | 142.4 E | 40 km | Mj 4.7 | NE_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
22 ; 186 | 72 ; 18 | 95 ; 74 | 8.22e+15 Nm | 41 km | Mw 4.6 | 94.69 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/26,10:36(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/26,10:36 | 39.6 N | 142.1 E | 50 km | Mj 4.1 | E_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
17 ; 209 | 72 ; 18 | 86 ; 101 | 4.24e+14 Nm | 50 km | Mw 3.7 | 79.80 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/24,08:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/24,08:30 | 37.8 N | 141.8 E | 40 km | Mj 4.4 | SE_OFF_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
2 ; 146 | 57 ; 38 | 111 ; 60 | 5.04e+14 Nm | 44 km | Mw 3.8 | 83.97 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/24,08:08(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/24,08:08 | 42.5 N | 142.9 E | 70 km | Mj 3.8 | HIDAKA_MOUNTAINS_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
301 ; 181 | 70 ; 37 | -121 ; -36 | 2.61e+14 Nm | 71 km | Mw 3.6 | 80.28 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/24,00:48(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/24,00:48 | 35.3 N | 133.3 E | 10 km | Mj 3.7 | WESTERN_TOTTORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
156 ; 246 | 89 ; 59 | -31 ; -179 | 7.57e+13 Nm | 5 km | Mw 3.2 | 53.89 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/23,08:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/23,08:46 | 40.3 N | 142.5 E | 30 km | Mj 4.1 | NE_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
33 ; 150 | 77 ; 28 | 115 ; 30 | 6.32e+14 Nm | 41 km | Mw 3.8 | 78.24 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/22,19:45(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/22,19:45 | 43.9 N | 148.4 E | shallow | Mj 4.5 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
62 ; 155 | 88 ; 36 | 126 ; 3 | 7.84e+15 Nm | 56 km | Mw 4.6 | 85.74 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/22,18:12(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/22,18:12 | 44.7 N | 149.0 E | 30 km | Mj 4.1 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
26 ; 212 | 68 ; 22 | 88 ; 95 | 1.48e+15 Nm | 38 km | Mw 4.1 | 80.38 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/20,12:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/20,12:43 | 43.1 N | 142.8 E | 150 km | Mj 4.0 | HIDAKA_MOUNTAINS_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
338 ; 228 | 86 ; 10 | 80 ; 159 | 3.04e+15 Nm | 145 km | Mw 4.3 | 90.40 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/18,22:42(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/18,22:42 | 32.9 N | 137.1 E | 40 km | Mj 3.9 | FAR_S_OFF_TOKAI_DISTRICT |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
241 ; 98 | 51 ; 45 | 65 ; 118 | 6.08e+14 Nm | 11 km | Mw 3.8 | 83.06 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/18,20:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/18,20:43 | 44.0 N | 150.4 E | 30 km | Mj 3.5 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
212 ; 8 | 56 ; 36 | -76 ; -109 | 3.30e+14 Nm | 8 km | Mw 3.6 | 50.29 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/18,16:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/18,16:43 | 41.5 N | 135.7 E | 410 km | Mj 5.4 | SEA_OF_JAPAN |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
184 ; 33 | 67 ; 26 | 77 ; 117 | 5.33e+16 Nm | 380 km | Mw 5.1 | 82.35 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/18,12:09(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/18,12:09 | 35.4 N | 141.3 E | 30 km | Mj 3.6 | E_OFF_BOSO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
46 ; 143 | 81 ; 55 | 144 ; 11 | 1.36e+15 Nm | 32 km | Mw 4.1 | 64.59 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/18,02:16(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/18,02:16 | 44.3 N | 146.8 E | shallow | Mj 4.2 | NEAR_ETOROFU_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
263 ; 164 | 78 ; 55 | -144 ; -15 | 1.07e+15 Nm | 5 km | Mw 4.0 | 84.93 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/17,13:14(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/17,13:14 | 36.1 N | 139.3 E | 10 km | Mj 3.8 | WESTERN_SAITAMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
165 ; 304 | 50 ; 48 | 119 ; 60 | 3.20e+14 Nm | 8 km | Mw 3.6 | 83.47 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/17,09:32(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/17,09:32 | 37.1 N | 142.2 E | 30 km | Mj 4.1 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
345 ; 136 | 62 ; 32 | 105 ; 64 | 5.40e+14 Nm | 35 km | Mw 3.8 | 51.57 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/16,17:51(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/16,17:51 | 43.9 N | 147.2 E | 50 km | Mj 4.1 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
64 ; 164 | 84 ; 33 | 122 ; 12 | 7.98e+14 Nm | 98 km | Mw 3.9 | 54.47 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/16,05:35(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/16,05:35 | 42.5 N | 142.9 E | 110 km | Mj 5.1 | HIDAKA_MOUNTAINS_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
106 ; 354 | 66 ; 51 | 44 ; 148 | 1.84e+16 Nm | 104 km | Mw 4.8 | 90.27 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/15,15:06(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/15,15:06 | 37.3 N | 141.7 E | 40 km | Mj 4.7 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
46 ; 208 | 49 ; 42 | 102 ; 76 | 2.47e+15 Nm | 41 km | Mw 4.2 | 74.45 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/15,13:41(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/15,13:41 | 41.9 N | 142.5 E | 60 km | Mj 4.2 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
27 ; 227 | 64 ; 28 | 81 ; 108 | 2.72e+15 Nm | 47 km | Mw 4.3 | 91.46 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/15,09:02(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/15,09:02 | 32.1 N | 140.8 E | shallow | Mj 4.0 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
326 ; 162 | 62 ; 29 | -98 ; -76 | 9.22e+15 Nm | 65 km | Mw 4.6 | 89.70 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/15,08:10(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/15,08:10 | 42.5 N | 144.2 E | 70 km | Mj 3.7 | SE_OFF_TOKACHI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
359 ; 204 | 63 ; 30 | 78 ; 112 | 1.63e+14 Nm | 38 km | Mw 3.4 | 60.40 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/15,01:07(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/15,01:07 | 43.7 N | 147.3 E | 20 km | Mj 3.8 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
118 ; 230 | 60 ; 58 | 142 ; 37 | 6.37e+14 Nm | 59 km | Mw 3.8 | 77.49 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/14,20:18(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/14,20:18 | 32.9 N | 136.0 E | 40 km | Mj 3.6 | S_OFF_KII_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
215 ; 117 | 84 ; 42 | -131 ; -9 | 1.10e+15 Nm | 5 km | Mw 4.0 | 90.03 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/13,12:04(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/13,12:04 | 35.5 N | 136.0 E | 10 km | Mj 4.1 | NW_SHIGA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
169 ; 3 | 64 ; 27 | 84 ; 102 | 9.16e+14 Nm | 11 km | Mw 3.9 | 89.30 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/13,11:14(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/13,11:14 | 33.5 N | 138.7 E | 20 km | Mj 3.6 | FAR_S_OFF_TOKAI_DISTRICT |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
303 ; 35 | 84 ; 71 | 161 ; 6 | 1.55e+14 Nm | 23 km | Mw 3.4 | 65.46 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/13,03:13(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/13,03:13 | 36.1 N | 139.9 E | 50 km | Mj 5.1 | SW_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
44 ; 281 | 71 ; 33 | 63 ; 142 | 2.34e+16 Nm | 50 km | Mw 4.9 | 85.22 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/09,19:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/09,19:30 | 36.5 N | 140.9 E | 40 km | Mj 4.0 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
26 ; 220 | 46 ; 45 | 80 ; 100 | 5.98e+14 Nm | 44 km | Mw 3.8 | 58.49 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/09,15:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/09,15:46 | 41.2 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 |
38 ; 142 | 80 ; 35 | 124 ; 17 | 4.21e+14 Nm | 47 km | Mw 3.7 | 54.03 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/08,23:12(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/08,23:12 | 41.9 N | 140.8 E | 120 km | Mj 4.5 | OSHIMA_PEN_REG_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
203 ; 91 | 76 ; 33 | 59 ; 154 | 8.15e+15 Nm | 110 km | Mw 4.6 | 87.06 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/07,07:57(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/07,07:57 | 44.0 N | 148.0 E | shallow | Mj 4.2 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
240 ; 136 | 79 ; 39 | -128 ; -17 | 7.85e+14 Nm | 62 km | Mw 3.9 | 77.54 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/07,01:50(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/07,01:50 | 43.1 N | 146.1 E | 50 km | Mj 4.8 | OFF_NEMURO_PENINSULA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
176 ; 75 | 82 ; 36 | 55 ; 166 | 1.25e+15 Nm | 44 km | Mw 4.0 | 89.14 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/06,04:39(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/06,04:39 | 32.0 N | 140.8 E | 30 km | Mj 3.6 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
331 ; 171 | 67 ; 24 | -98 ; -71 | 8.04e+14 Nm | 59 km | Mw 3.9 | 54.51 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/04,17:35(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/04,17:35 | 32.9 N | 140.7 E | 40 km | Mj 4.2 | E_OFF_HACHIJOJIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
194 ; 24 | 68 ; 22 | 86 ; 99 | 7.12e+14 Nm | 68 km | Mw 3.9 | 77.21 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/04,16:14(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/04,16:14 | 41.4 N | 142.0 E | 30 km | Mj 3.7 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
313 ; 78 | 55 ; 51 | 129 ; 48 | 2.34e+14 Nm | 17 km | Mw 3.5 | 71.17 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/04,14:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/04,14:43 | 34.9 N | 137.5 E | 30 km | Mj 4.0 | NE_AICHI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
170 ; 299 | 63 ; 39 | -60 ; -134 | 2.70e+14 Nm | 29 km | Mw 3.6 | 83.34 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/04,14:15(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/04,14:15 | 35.2 N | 134.2 E | 10 km | Mj 3.7 | EASTERN_TOTTORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
155 ; 64 | 89 ; 54 | 36 ; 179 | 1.46e+14 Nm | 5 km | Mw 3.4 | 88.69 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/04,05:57(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/04,05:57 | 41.9 N | 139.2 E | 20 km | Mj 4.4 | SW_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
350 ; 182 | 54 ; 36 | 83 ; 99 | 6.72e+14 Nm | 11 km | Mw 3.9 | 75.46 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/02,22:47(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/02,22:47 | 37.7 N | 141.8 E | 40 km | Mj 5.9 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
20 ; 198 | 69 ; 21 | 91 ; 89 | 4.17e+17 Nm | 44 km | Mw 5.7 | 94.74 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 2003/03/02,15:07(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/02,15:07 | 42.0 N | 142.6 E | 60 km | Mj 4.1 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
23 ; 232 | 69 ; 23 | 79 ; 117 | 2.15e+15 Nm | 56 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 2003/03/01,13:16(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
2003/03/01,13:16 | 44.1 N | 148.0 E | shallow | Mj 4.9 | SE_OFF_ETOROFU |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
30 ; 232 | 76 ; 15 | 85 ; 111 | 7.85e+15 Nm | 44 km | Mw 4.6 | 84.87 |

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

Seismograms
retreive digital waveform data
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