Magnitude 7.4 - BONIN ISLANDS, JAPAN REGION

2010 December 21 17:19:40 UTC

• 
  Earthquake DetailsDetails
• Summary
• Maps
• Scientific & Technical
• Tsunami

• This event has been reviewed by a seismologist.

Magnitude	7.4
Date-Time	Tuesday, December 21, 2010 at 17:19:40 UTC Wednesday, December 22, 2010 at 03:19:40 AM at epicenter Time of Earthquake in other Time Zones
Location	26.892°N, 143.726°E
Depth	14 km (8.7 miles) set by location program
Region	BONIN ISLANDS, JAPAN REGION
Distances	150 km (95 miles) E of Chichi-shima, Bonin Islands, Japan 335 km (210 miles) NE of Iwo Jima, Volcano Islands, Japan 1050 km (650 miles) SSE of TOKYO, Japan
Location Uncertainty	horizontal +/- 3 km (1.9 miles); depth fixed by location program
Parameters	NST=424, Nph=424, Dmin=155 km, Rmss=0.94 sec, Gp= 11°, M-type=teleseismic moment magnitude (Mw), Version=B
Source	USGS NEIC (WDCS-D)
Event ID	usc0000rxc

• Did you feel it? Report shaking and damage at your location. You can also view a map displaying accumulated data from your report and others.

---

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

http://earthquake.usgs.gov/earthquakes/eqinthenews/2010/usc0000rxc/