Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude 7.1
Date-Time
Location 38.253°N, 141.640°E
Depth 49 km (30.4 miles)
Region NEAR THE EAST COAST OF HONSHU, JAPAN
Distances 66 km (41 miles) E of Sendai, Honshu, Japan
114 km (70 miles) E of Yamagata, Honshu, Japan
116 km (72 miles) ENE of Fukushima, Honshu, Japan
330 km (205 miles) NNE of TOKYO, Japan
Location Uncertainty horizontal +/- 13.1 km (8.1 miles); depth +/- 7.2 km (4.5 miles)
Parameters NST=426, Nph=427, Dmin=358.4 km, Rmss=0.75 sec, Gp= 32°,
M-type=regional moment magnitude (Mw), Version=B
Source
  • USGS NEIC (WDCS-D)
Event ID usc0002ksa

Earthquake Location

Magnitude 7.4 NEAR EAST COAST OF HONSHU, JAPAN
Thursday, April 07, 2011 at 14:32:41 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/eq_depot/2011/eq_110407_c0002ksa/neic_c0002ksa_l.html