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Earthquake Hazards Program

Magnitude 4.0 SOUTH OF THE MARIANA ISLANDS

Sunday, August 31, 2008 at 17:16:37 UTC

Preliminary Earthquake Report

Magnitude 4.0
Date-Time
  • Sunday, August 31, 2008 at 17:16:37 (UTC) - Coordinated Universal Time
  • Monday, September 01, 2008 at 03:16:37 AM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 11.93N 143.69E
    Depth 23 kilometers
    Region SOUTH OF THE MARIANA ISLANDS
    Distances 205 km (125 miles) SW of HAGATNA, Guam
    295 km (185 miles) SW of Rota, Northern Mariana Islands
    420 km (260 miles) SSW of SAIPAN, Northern Mariana Islands
    Location Uncertainty Error estimate: horizontal +/- 40.1 km; depth +/- 93.8 km
    Parameters Nst=7, Nph=7, Dmin=223.4 km, Rmss=0.54 sec, Erho=40.1 km, Erzz=93.8 km, Gp=160.3 degrees
    Source USGS NEIC (WDCS-D)
    Event ID uswjfa

    Earthquake Location

     


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