Magnitude 7.1 - VANUATU

2011 August 20 16:55:02 UTC

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Earthquake Details

• This event has been reviewed by a seismologist.

Magnitude	7.1
Date-Time	Saturday, August 20, 2011 at 16:55:02 UTC Sunday, August 21, 2011 at 03:55:02 AM at epicenter Time of Earthquake in other Time Zones
Location	18.260°S, 168.069°E
Depth	40.6 km (25.2 miles)
Region	VANUATU
Distances	63 km (39 miles) SSW of PORT-VILA, Efate, Vanuatu 190 km (118 miles) NW of Isangel, Tanna, Vanuatu 316 km (196 miles) SSE of Luganville, Espiritu Santo, Vanuatu 1850 km (1149 miles) ENE of BRISBANE, Queensland, Australia
Location Uncertainty	horizontal +/- 14.7 km (9.1 miles); depth +/- 6.8 km (4.2 miles)
Parameters	NST= 65, Nph= 65, Dmin=455.3 km, Rmss=1.29 sec, Gp= 32°, M-type=centroid moment magnitude (Mw), Version=8
Source	Magnitude: USGS NEIC (WDCS-D) Location: USGS NEIC (WDCS-D)
Event ID	usc0005h9f

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

http://earthquake.usgs.gov/earthquakes/eqinthenews/2011/usc0005h9f/