Preliminary Earthquake Report

Magnitude 4.5 ROTA REGION, NORTHERN MARIANA ISLANDS
Wednesday, January 20, 2010 at 15:11:01 UTC

Magnitude 4.5
Date-Time Wednesday, January 20, 2010 at 15:11:01 (UTC) - Coordinated Universal Time
Thursday, January 21, 2010 at 01:11:01 AM local time at epicenter
Time of Earthquake in other Time Zones
Location 14.86N 144.72E
Depth 10 kilometers
Region ROTA REGION, NORTHERN MARIANA ISLANDS
Distances 95 km (60 miles) NNW of Rota, Northern Mariana Islands
110 km (70 miles) WSW of SAIPAN, Northern Mariana Islands
155 km (95 miles) N of HAGATNA, Guam
195 km (120 miles) SSW of Anatahan, Northern Mariana Islands
Location Uncertainty Error estimate: horizontal +/- 19.8 km; depth fixed by location program
Parameters Nst=18, Nph=18, Dmin=141.1 km, Rmss=0.64 sec, Erho=19.8 km, Erzz=0 km, Gp=146.4 degrees
Source USGS NEIC (WDCS-D)
Event ID us2010rsfu

Earthquake Location

Historic Seismicity