Data Report
Focal mechanisms / 199702
Contributed by NIED
Earthquake Information 1997/02/28,19:46(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/02/28,19:46 | 35.4 N | 140.4 E | 30 km | Mj 4.0 | KUJUKURI_COAST_BOSO_PEN |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
62 ; 253 | 73 ; 17 | 87 ; 100 | 1.24e+15 Nm | 23 km | Mw 4.0 | 78.96 |
Mechanism(Solid line:observation, Dotted line:Synthetics)
past earthquakes occurring in this region
Seismograms
retreive digital waveform data
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Earthquake Information 1997/02/21,08:16(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/02/21,08:16 | 35.8 N | 141.2 E | 20 km | Mj 4.0 | NEAR_CHOSHI_CITY |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
118 ; 266 | 56 ; 39 | -71 ; -116 | 1.15e+15 Nm | 29 km | Mw 4.0 | 71.03 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/02/20,07:55(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/02/20,07:55 | 41.8 N | 142.9 E | 50 km | Mj 5.6 | S_OFF_URAKAWA |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
38 ; 215 | 66 ; 24 | 91 ; 87 | 1.07e+18 Nm | 47 km | Mw 6.0 | 75.25 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/02/19,20:22(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/02/19,20:22 | 37.4 N | 141.2 E | 90 km | Mj 5.4 | E_OFF_FUKUSHIMA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
215 ; 341 | 80 ; 17 | -77 ; -142 | 1.67e+17 Nm | 92 km | Mw 5.4 | 78.83 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/02/19,01:04(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/02/19,01:04 | 35.6 N | 140.1 E | 80 km | Mj 4.5 | CENTRAL_CHIBA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
335 ; 176 | 67 ; 24 | 81 ; 110 | 6.11e+15 Nm | 71 km | Mw 4.5 | 85.32 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/02/17,09:52(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/02/17,09:52 | 35.4 N | 140.5 E | 60 km | Mj 3.7 | KUJUKURI_COAST_BOSO_PEN |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
116 ; 226 | 61 ; 59 | -37 ; -145 | 1.07e+15 Nm | 56 km | Mw 4.0 | 86.89 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/02/16,20:22(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/02/16,20:22 | 35.6 N | 140.1 E | 80 km | Mj 4.6 | CENTRAL_CHIBA_PREF |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
174 ; 321 | 88 ; 3 | -88 ; -123 | 1.28e+16 Nm | 86 km | Mw 4.7 | 87.71 |

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

Seismograms
retreive digital waveform data
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Earthquake Information 1997/02/02,20:28(UT)
Earthquake Mechanism Information
Hypocenter Information Provided by JMA
Origin Time(UT) | Latitude | Longitude | Depth | Magnitude | Region |
1997/02/02,20:28 | 30.4 N | 131.4 E | 40 km | Mj 3.8 | E_OFF_TANEGASHIMA_ISLAND |
Focal Mechanism Solution Determined Manually
Strike | Dip | Rake | Mo | Depth | Magnitude | VarRed |
242 ; 141 | 81 ; 41 | -130 ; -14 | 4.14e+15 Nm | 8 km | Mw 4.4 | 66.77 |

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

Seismograms
retreive digital waveform data
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