Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude 6.6
Date-Time
Location 37.007°N, 140.477°E
Depth 10 km (6.2 miles)
Region EASTERN HONSHU, JAPAN
Distances 36 km (22 miles) W of Iwaki, Honshu, Japan
44 km (27 miles) SSE of Koriyama, Honshu, Japan
71 km (44 miles) N of Mito, Honshu, Japan
161 km (100 miles) NNE of TOKYO, Japan
Location Uncertainty horizontal +/- 12 km (7.5 miles); depth +/- 3.6 km (2.2 miles)
Parameters NST=581, Nph=584, Dmin=209.3 km, Rmss=0.69 sec, Gp= 18°,
M-type=regional moment magnitude (Mw), Version=C
Source
  • USGS NEIC (WDCS-D)
Event ID usc0002n9v

Earthquake Location

Magnitude 7.1 EASTERN HONSHU, JAPAN
Monday, April 11, 2011 at 08:16:13 UTC

Earthquake LocationWorld Location
Earthquake 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 JAPAN
Map of JAPAN

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

Source: http://neic.usgs.gov/neis/bulletin/neic_c0002n9v_l.html