Data Report
Focal mechanisms / 199803
Contributed by NIED
Earthquake Information 1998/03/31,15:37(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/31,15:37 | 41.0 N | 142.0 E | 60 km | Mj 3.8 | E_OFF_AOMORI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
30 ; 155 | 70 ; 33 | 116 ; 40 | 3.80e+14 Nm | 50 km | Mw 3.7 | 60.75 |
Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region
Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/30,04:56(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/30,04:56 | 37.3 N | 143.0 E | 60 km | Mj 3.5 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
28 ; 191 | 57 ; 34 | 99 ; 76 | 4.46e+14 Nm | 11 km | Mw 3.7 | 65.45 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/30,01:04(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/30,01:04 | 37.3 N | 143.0 E | 40 km | Mj 4.4 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
23 ; 215 | 60 ; 30 | 84 ; 100 | 1.42e+16 Nm | 14 km | Mw 4.7 | 81.66 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/29,15:36(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/29,15:36 | 36.4 N | 141.1 E | 40 km | Mj 4.0 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
279 ; 157 | 79 ; 21 | -108 ; -34 | 5.69e+14 Nm | 41 km | Mw 3.8 | 88.94 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/28,17:44(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/28,17:44 | 43.4 N | 146.8 E | 50 km | Mj 4.0 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
60 ; 193 | 79 ; 16 | 102 ; 44 | 1.67e+15 Nm | 23 km | Mw 4.1 | 90.59 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/28,14:50(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/28,14:50 | 36.7 N | 140.9 E | 50 km | Mj 4.3 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
6 ; 217 | 74 ; 19 | 81 ; 119 | 9.30e+14 Nm | 53 km | Mw 3.9 | 79.47 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/28,11:37(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/28,11:37 | 33.3 N | 132.4 E | 40 km | Mj 3.8 | BUNGO_CHANNEL |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
61 ; 237 | 51 ; 40 | -87 ; -93 | 9.65e+14 Nm | 35 km | Mw 4.0 | 89.33 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/27,20:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/27,20:19 | 37.6 N | 143.0 E | 40 km | Mj 3.7 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
5 ; 211 | 65 ; 28 | 78 ; 114 | 5.34e+14 Nm | 14 km | Mw 3.8 | 79.99 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/27,06:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/27,06:30 | 31.9 N | 130.4 E | 10 km | Mj 4.3 | NW_KAGOSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
259 ; 349 | 84 ; 81 | -9 ; -174 | 4.20e+15 Nm | 17 km | Mw 4.4 | 62.45 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/27,05:02(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/27,05:02 | 37.5 N | 142.9 E | 50 km | Mj 3.9 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
22 ; 197 | 57 ; 33 | 93 ; 85 | 1.08e+15 Nm | 23 km | Mw 4.0 | 74.46 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/26,19:45(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/26,19:45 | 37.4 N | 143.2 E | 40 km | Mj 3.8 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
25 ; 196 | 55 ; 36 | 95 ; 83 | 2.13e+15 Nm | 14 km | Mw 4.2 | 79.96 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/26,19:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/26,19:03 | 37.5 N | 143.0 E | 50 km | Mj 4.0 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
20 ; 203 | 63 ; 27 | 89 ; 92 | 1.58e+15 Nm | 14 km | Mw 4.1 | 81.64 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/26,13:07(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/26,13:07 | 37.5 N | 143.0 E | 50 km | Mj 4.5 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
26 ; 199 | 63 ; 27 | 93 ; 84 | 1.36e+16 Nm | 20 km | Mw 4.7 | 85.47 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/26,08:06(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/26,08:06 | 37.5 N | 143.0 E | 50 km | Mj 3.6 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
25 ; 216 | 57 ; 34 | 84 ; 99 | 4.05e+14 Nm | 17 km | Mw 3.7 | 65.06 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/26,06:33(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/26,06:33 | 37.5 N | 143.1 E | 40 km | Mj 4.3 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
27 ; 200 | 58 ; 32 | 94 ; 84 | 4.74e+15 Nm | 17 km | Mw 4.4 | 85.25 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/26,02:43(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/26,02:43 | 43.3 N | 147.1 E | 50 km | Mj 4.5 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
277 ; 52 | 71 ; 26 | -72 ; -132 | 5.50e+16 Nm | 53 km | Mw 5.1 | 86.85 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/25,19:18(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/25,19:18 | 35.9 N | 137.7 E | 230 km | Mj 3.7 | WESTERN_NAGANO_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
174 ; 266 | 83 ; 80 | -10 ; -173 | 2.17e+15 Nm | 240 km | Mw 4.2 | 84.56 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/23,09:37(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/23,09:37 | 36.4 N | 141.2 E | 40 km | Mj 5.4 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
5 ; 263 | 87 ; 16 | 75 ; 167 | 1.28e+17 Nm | 35 km | Mw 5.4 | 83.07 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/22,01:02(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/22,01:02 | 37.4 N | 143.0 E | 40 km | Mj 4.3 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
26 ; 200 | 66 ; 24 | 92 ; 85 | 4.87e+15 Nm | 14 km | Mw 4.4 | 85.06 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/21,14:01(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/21,14:01 | 37.6 N | 143.0 E | 40 km | Mj 3.6 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
24 ; 193 | 49 ; 41 | 98 ; 81 | 3.12e+14 Nm | 20 km | Mw 3.6 | 62.21 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/19,02:54(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/19,02:54 | 43.2 N | 147.4 E | 50 km | Mj 3.9 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
279 ; 28 | 85 ; 15 | 104 ; 19 | 1.63e+16 Nm | 62 km | Mw 4.8 | 77.87 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/17,07:52(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/17,07:52 | 36.0 N | 141.1 E | 30 km | Mj 4.0 | E_OFF_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
354 ; 234 | 69 ; 37 | 59 ; 144 | 7.61e+14 Nm | 14 km | Mw 3.9 | 65.20 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/16,23:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/16,23:03 | 37.0 N | 141.3 E | 50 km | Mj 4.8 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
32 ; 214 | 68 ; 22 | 89 ; 92 | 8.25e+15 Nm | 50 km | Mw 4.6 | 94.59 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/14,11:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/14,11:46 | 37.2 N | 143.0 E | 40 km | Mj 4.9 | FAR_E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
19 ; 207 | 56 ; 34 | 86 ; 96 | 3.09e+16 Nm | 14 km | Mw 5.0 | 80.33 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/13,15:03(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/13,15:03 | 36.9 N | 141.8 E | 30 km | Mj 4.0 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
129 ; 289 | 55 ; 36 | 102 ; 74 | 5.03e+14 Nm | 26 km | Mw 3.8 | 78.86 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/11,20:52(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/11,20:52 | 37.3 N | 141.9 E | 40 km | Mj 4.3 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
71 ; 221 | 61 ; 33 | 106 ; 63 | 2.24e+15 Nm | 35 km | Mw 4.2 | 82.68 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/11,19:27(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/11,19:27 | 37.7 N | 142.3 E | 40 km | Mj 5.3 | SE_OFF_MIYAGI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
47 ; 158 | 67 ; 50 | 136 ; 31 | 2.70e+16 Nm | 32 km | Mw 4.9 | 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 1998/03/10,05:32(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/10,05:32 | 35.8 N | 140.2 E | 70 km | Mj 3.5 | NORTHERN_CHIBA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
344 ; 180 | 71 ; 20 | 85 ; 105 | 4.30e+14 Nm | 77 km | Mw 3.7 | 78.98 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/08,04:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/08,04:46 | 36.1 N | 139.8 E | 40 km | Mj 4.7 | SW_IBARAKI_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
52 ; 253 | 71 ; 20 | 83 ; 110 | 6.15e+15 Nm | 53 km | Mw 4.5 | 91.61 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/08,00:02(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/08,00:02 | 38.5 N | 141.8 E | 50 km | Mj 4.4 | KINKAZAN_REGION |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
26 ; 205 | 70 ; 20 | 90 ; 89 | 3.74e+15 Nm | 50 km | Mw 4.3 | 91.87 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/07,21:53(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/07,21:53 | 39.1 N | 142.5 E | 30 km | Mj 4.3 | E_OFF_IWATE_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
266 ; 161 | 74 ; 48 | -136 ; -22 | 7.72e+14 Nm | 35 km | Mw 3.9 | 79.87 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/05,21:44(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/05,21:44 | 33.9 N | 133.6 E | 10 km | Mj 3.8 | NE_EHIME_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
45 ; 159 | 59 ; 56 | 139 ; 39 | 2.12e+14 Nm | 5 km | Mw 3.5 | 73.71 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/03,21:02(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/03,21:02 | 34.9 N | 135.4 E | 10 km | Mj 3.8 | SE_HYOGO_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
205 ; 305 | 77 ; 54 | 143 ; 16 | 5.02e+14 Nm | 5 km | Mw 3.8 | 94.09 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/03,07:39(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/03,07:39 | 31.9 N | 130.3 E | 10 km | Mj 3.8 | NW_KAGOSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
291 ; 193 | 76 ; 61 | 30 ; 164 | 9.67e+14 Nm | 8 km | Mw 4.0 | 96.75 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/03,00:19(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/03,00:19 | 42.6 N | 144.1 E | 60 km | Mj 4.0 | SE_OFF_TOKACHI |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
69 ; 244 | 71 ; 19 | 92 ; 86 | 1.80e+15 Nm | 62 km | Mw 4.1 | 92.81 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/02,23:30(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/02,23:30 | 31.8 N | 130.3 E | 10 km | Mj 3.9 | NW_KAGOSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
103 ; 193 | 87 ; 83 | -7 ; -177 | 7.24e+14 Nm | 11 km | Mw 3.9 | 95.20 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/02,15:02(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/02,15:02 | 29.9 N | 130.6 E | 50 km | Mj 3.5 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
205 ; 45 | 74 ; 17 | 84 ; 109 | 1.02e+15 Nm | 56 km | Mw 4.0 | 80.75 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/02,11:58(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/02,11:58 | 29.9 N | 130.6 E | 50 km | Mj 4.6 | NEAR_AMAMI-OSHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
207 ; 58 | 70 ; 24 | 78 ; 119 | 7.45e+16 Nm | 47 km | Mw 5.2 | 73.59 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1998/03/02,11:11(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/02,11:11 | 43.2 N | 147.2 E | 60 km | Mj 4.7 | E_OFF_HOKKAIDO |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
242 ; 152 | 89 ; 33 | -123 ; -1 | 1.07e+16 Nm | 32 km | Mw 4.7 | 92.01 |

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

Seismograms
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Earthquake Information 1998/03/01,20:51(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1998/03/01,20:51 | 40.2 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 |
22 ; 181 | 72 ; 19 | 97 ; 70 | 9.24e+14 Nm | 44 km | Mw 3.9 | 79.68 |

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

Seismograms
retreive digital waveform data
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