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Earthquake Hazards Program

Magnitude 4.6 SAMOA ISLANDS

Friday, September 19, 2008 at 09:47:31 UTC

Preliminary Earthquake Report

Magnitude 4.6
Date-Time
  • Friday, September 19, 2008 at 09:47:31 (UTC) - Coordinated Universal Time
  • Thursday, September 18, 2008 at 10:47:31 PM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 13.82S 172.58W
    Depth 61 kilometers
    Region SAMOA ISLANDS
    Distances 90 km (55 miles) W of APIA, Samoa
    210 km (130 miles) WNW of PAGO PAGO, American Samoa
    265 km (165 miles) NNE of Hihifo, Tonga
    2850 km (1770 miles) NNE of Auckland, New Zealand
    Location Uncertainty Error estimate: horizontal +/- 46.8 km; depth +/- 27.3 km
    Parameters Nst=48, Nph=48, Dmin=87.8 km, Rmss=0.80 sec, Erho=46.8 km, Erzz=27.3 km, Gp=168.4 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usxdar

    Earthquake Location

     


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