Contributed Data Report
      

      Data Report
      

      Focal mechanisms / 199812
      Contributed by NIED
      

      


Earthquake Information 1998/12/28,17:48(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/28,17:4842.9 N146.3 E50 kmMj 4.0OFF_NEMURO_PENINSULA
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      49 ; 24475 ; 1586 ; 1049.98e+14 Nm35 kmMw 4.0 92.19
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/28,02:55(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/28,02:5537.9 N142.9 E20 kmMj 4.0FAR_E_OFF_MIYAGI_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      31 ; 12386 ; 70160 ; 47.76e+14 Nm11 kmMw 3.9 86.60
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/27,23:45(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/27,23:4543.2 N143.0 E150 kmMj 4.2TAISETSU_MOUNTAINS_REG
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      134 ; 33284 ; 688 ; 1092.93e+15 Nm135 kmMw 4.3 78.15
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/27,08:43(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/27,08:4336.6 N141.6 E40 kmMj 3.7E_OFF_IBARAKI_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      44 ; 14787 ; 13103 ; 133.38e+14 Nm35 kmMw 3.7 76.33
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/26,03:46(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/26,03:4634.3 N141.9 E50 kmMj 3.6FAR_SE_OFF_BOSO_PEN
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      295 ; 13868 ; 2481 ; 1113.45e+15 Nm17 kmMw 4.3 63.20
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/25,10:39(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/25,10:3937.4 N139.4 E10 kmMj 4.2WESTERN_FUKUSHIMA_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      65 ; 15787 ; 63153 ; 46.38e+14 Nm5 kmMw 3.8 87.61
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/25,07:02(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/25,07:0240.8 N142.7 E20 kmMj 3.7E_OFF_AOMORI_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      59 ; 27361 ; 3472 ; 1192.33e+14 Nm56 kmMw 3.5 71.60
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/24,19:08(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/24,19:0832.0 N131.9 E20 kmMj 3.9HYUGANADA_REGION
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      49 ; 29075 ; 2965 ; 1472.95e+15 Nm65 kmMw 4.3 70.72
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/23,07:12(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/23,07:1234.4 N141.3 E50 kmMj 4.1FAR_SE_OFF_BOSO_PEN
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      196 ; 30484 ; 19-72 ; -1625.03e+15 Nm38 kmMw 4.4 89.46
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/22,15:18(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/22,15:1830.6 N128.2 E40 kmMj 3.6SW_OFF_KYUSHU
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      221 ; 11988 ; 8-98 ; -121.32e+15 Nm11 kmMw 4.0 80.19
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/22,10:23(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/22,10:2336.1 N140.6 E60 kmMj 4.2SOUTHERN_IBARAKI_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      330 ; 8163 ; 54-41 ; -1462.70e+15 Nm50 kmMw 4.3 77.27
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/22,06:20(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/22,06:2031.1 N130.6 E110 kmMj 3.6SATSUMA_PENINSULA_REGION
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      210 ; 11888 ; 5634 ; 1773.33e+15 Nm145 kmMw 4.3 93.51
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/20,16:18(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/20,16:1838.8 N140.7 E10 kmMj 3.7NORTHERN_MIYAGI_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      174 ; 32866 ; 26101 ; 661.07e+15 Nm5 kmMw 4.0 87.64
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/19,14:24(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/19,14:2429.7 N129.5 E190 kmMj 4.4NEAR_TOKARA_ISLANDS
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      27 ; 16371 ; 25107 ; 491.59e+16 Nm210 kmMw 4.8 57.85
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/19,02:09(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/19,02:0935.5 N139.0 E30 kmMj 3.7EASTERN_YAMANASHI_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      228 ; 5348 ; 4287 ; 933.78e+14 Nm23 kmMw 3.7 73.83
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/18,10:08(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/18,10:0830.2 N130.0 E110 kmMj 3.7NEAR_TOKARA_ISLANDS
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      35 ; 18957 ; 36-75 ; -1121.16e+16 Nm116 kmMw 4.7 80.42
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/18,01:27(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/18,01:2736.4 N141.0 E40 kmMj 4.1E_OFF_IBARAKI_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      10 ; 22180 ; 1284 ; 1211.30e+15 Nm41 kmMw 4.0 84.13
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/17,20:48(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/17,20:4843.4 N147.0 E60 kmMj 3.9E_OFF_HOKKAIDO
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      217 ; 31188 ; 25-65 ; -1759.88e+14 Nm65 kmMw 4.0 77.44
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/17,12:49(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/17,12:4936.1 N141.4 E50 kmMj 5.1FAR_E_OFF_IBARAKI_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      8 ; 26785 ; 2467 ; 1684.37e+16 Nm26 kmMw 5.1 78.25
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/16,00:18(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/16,00:1831.3 N131.6 E30 kmMj 5.5SE_OFF_OSUMI_PEN
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      10 ; 14770 ; 26-73 ; -1301.85e+18 Nm35 kmMw 6.1 76.53
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/15,10:49(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/15,10:4937.0 N142.1 E30 kmMj 3.7E_OFF_FUKUSHIMA_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      290 ; 4660 ; 52135 ; 393.25e+14 Nm32 kmMw 3.6 53.20
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/12,19:11(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/12,19:1135.6 N140.1 E80 kmMj 3.6CENTRAL_CHIBA_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      15 ; 16966 ; 26101 ; 662.11e+14 Nm62 kmMw 3.5 56.08
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/12,17:21(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/12,17:2132.8 N130.1 E10 kmMj 3.5NEAR_UNZENDAKE
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      135 ; 22983 ; 58-32 ; -1722.18e+14 Nm11 kmMw 3.5 69.03
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/11,23:14(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/11,23:1434.1 N141.6 E70 kmMj 3.9FAR_SE_OFF_BOSO_PEN
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      328 ; 22984 ; 3357 ; 1708.49e+14 Nm62 kmMw 3.9 58.53
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/09,15:56(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/09,15:5642.3 N143.1 E60 kmMj 4.9HIDAKA_MOUNTAINS_REGION
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      40 ; 23165 ; 2585 ; 1002.18e+16 Nm56 kmMw 4.9 91.99
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/06,13:12(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/06,13:1238.1 N142.3 E40 kmMj 3.6E_OFF_MIYAGI_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      24 ; 19264 ; 2695 ; 803.81e+14 Nm38 kmMw 3.7 68.27
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/05,09:36(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/05,09:3641.9 N144.3 E70 kmMj 4.3SE_OFF_TOKACHI
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      23 ; 27779 ; 3656 ; 1604.07e+15 Nm20 kmMw 4.4 67.73
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/04,16:38(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/04,16:3833.5 N135.1 E50 kmMj 4.2S_PART_OF_KII_CHANNEL
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      324 ; 17177 ; 15-97 ; -631.50e+15 Nm35 kmMw 4.1 93.30
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/04,16:15(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/04,16:1536.1 N140.0 E50 kmMj 4.0SW_IBARAKI_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      50 ; 27173 ; 2375 ; 1298.54e+14 Nm47 kmMw 3.9 79.09
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/04,07:39(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/04,07:3935.0 N141.4 E50 kmMj 4.0E_OFF_BOSO_PENINSULA
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      83 ; 19971 ; 39125 ; 325.52e+15 Nm29 kmMw 4.5 67.12
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/02,20:15(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/02,20:1535.6 N140.1 E70 kmMj 4.5CENTRAL_CHIBA_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      217 ; 11169 ; 54-142 ; -263.87e+15 Nm65 kmMw 4.4 92.41
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/02,02:02(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/02,02:0235.1 N136.6 E40 kmMj 3.9NORTHERN_MIE_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      180 ; 31665 ; 33-68 ; -1292.65e+14 Nm41 kmMw 3.6 80.86
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/02,00:47(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/02,00:4737.3 N142.2 E20 kmMj 4.0E_OFF_FUKUSHIMA_PREF
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      11 ; 25778 ; 2765 ; 1545.92e+14 Nm5 kmMw 3.8 72.95
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      




Earthquake Information 1998/12/01,00:56(UT)




      

      
Earthquake Mechanism Information

      
Hypocenter Information Provided by JMA

      

      

      Origin Time(UT)LatitudeLongitudeDepthMagnitudeRegion
      

      1998/12/01,00:5643.6 N140.1 E220 kmMj 4.2NW_OFF_SHAKOTAN_PEN
      

      



      
Focal Mechanism Solution Determined Manually

      

      

      StrikeDipRakeMoDepthMagnitudeVarRed
      

      339 ; 11771 ; 25-73 ; -1303.66e+15 Nm230 kmMw 4.3 75.57
      

      



      

*
Mechanism(Solid line:observation, Dotted line:Synthetics)
      

      Mechanism

      
*
past earthquakes occurring in this region

      
*
Seismograms
      


*
retreive digital waveform data

      

      

      
*
Back
      



      






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