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Earthquake Hazards Program

Magnitude 4.7 BANDA SEA

Friday, April 24, 2009 at 15:20:41 UTC

Preliminary Earthquake Report

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Magnitude 4.7
Date-Time
  • Friday, April 24, 2009 at 15:20:41 (UTC) - Coordinated Universal Time
  • Saturday, April 25, 2009 at 12:20:41 AM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 6.59S 129.35E
    Depth 208 kilometers
    Region BANDA SEA
    Distances 270 km (165 miles) NW of Saumlaki, Tanimbar Islands, Indonesia
    350 km (215 miles) SSE of Ambon, Moluccas, Indonesia
    670 km (415 miles) NNW of DARWIN, Northern Territory, Australia
    2505 km (1550 miles) E of JAKARTA, Java, Indonesia
    Location Uncertainty Error estimate: horizontal +/- 13.0 km; depth +/- 19.5 km
    Parameters Nst=10, Nph=10, Dmin=1076.8 km, Rmss=0.51 sec, Erho=13.0 km, Erzz=19.5 km, Gp=85.0 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usfva8

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    NB: The official magnitude for this earthquake is indicated at the top of this page. This was the best available estimate of the earthquake's size, at the time that this page was created. Other magnitudes associated with web pages linked from here are those determined at various times following the earthquake with different types of seismic data. Although, given the data used, they are legitimate estimates of magnitude they are not considered the official magnitude.

    The region name is an automatically generated name from the Flinn-Engdahl (F-E) seismic and geographical regionalization scheme. The boundaries of these regions are defined at one-degree intervals and therefore differ from irregular political boundaries. More->

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


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