Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude 6.6
Date-Time
Location 37.249°N, 143.956°E
Depth 26.5 km (16.5 miles)
Region OFF THE EAST COAST OF HONSHU, JAPAN
Distances 274 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 Uncertainty horizontal +/- 13.9 km (8.6 miles); depth +/- 0.5 km (0.3 miles)
Parameters NST=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 ID usc00028pe

Earthquake Location

Magnitude 6.6 OFF EAST COAST OF HONSHU, JAPAN
Tuesday, March 22, 2011 at 07:18:47 UTC

Earthquake LocationWorld Location

Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

Earthquake Location
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

Map of PACIFIC OCEAN
Map of PACIFIC OCEAN

Source: http://neic.usgs.gov/neis/eq_depot/2011/eq_110322_c00028pe/neic_c00028pe_l.html