Magnitude 6.6 - OFF THE EAST COAST OF HONSHU, JAPAN

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2011 March 22 07:18:47 UTC

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Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude6.6
Date-Time
Location37.249°N, 143.956°E
Depth26.5 km (16.5 miles)
RegionOFF THE EAST COAST OF HONSHU, JAPAN
Distances274 km (170 miles) E of Iwaki, Honshu, Japan
293 km (182 miles) ESE of Sendai, Honshu, Japan
313 km (194 miles) E of Fukushima, Honshu, Japan
415 km (257 miles) ENE of TOKYO, Japan
Location Uncertaintyhorizontal +/- 13.9 km (8.6 miles); depth +/- 0.5 km (0.3 miles)
ParametersNST=300, Nph=305, Dmin=518.7 km, Rmss=1.18 sec, Gp= 32°,
M-type="moment" magnitude from initial P wave (tsuboi method) (Mi/Mwp), Version=7
Source
  • USGS NEIC (WDCS-D)
Event IDusc00028pe
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