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Preliminary Earthquake Report

Magnitude 4.8 SOUTH CHINA SEA
Wednesday, January 26, 2011 at 07:24:28 UTC

Magnitude 4.8
Date-Time Wednesday, January 26, 2011 at 07:24:28 (UTC) - Coordinated Universal Time
Wednesday, January 26, 2011 at 02:24:28 PM local time at epicenter
Time of Earthquake in other Time Zones
Location 9.91N 108.13E
Depth 10 kilometers
Region SOUTH CHINA SEA
Distances 185 km (115 miles) ESE of Ho Chi Minh City, Vietnam
285 km (175 miles) SSW of Nha Trang, Vietnam
930 km (580 miles) ESE of BANGKOK, Thailand
1260 km (780 miles) SSE of HANOI, Vietnam
Location Uncertainty Error estimate: horizontal +/- 22.1 km; depth +/- 2.2 km
Parameters Nst=30, Nph=30, Dmin=228.9 km, Rmss=0.79 sec, Erho=22.1 km, Erzz=2.2 km, Gp=78.0 degrees
Source USGS NEIC (WDCS-D)
Event ID us2011gpas

Earthquake Location

Earthquake Location

Historic Seismicity