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Magnitude 5.3 VOLCANO ISLANDS, JAPAN REGION

Sunday, April 19, 2009 at 09:05:57 UTC

Preliminary Earthquake Report

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Magnitude 5.3
Date-Time
  • Sunday, April 19, 2009 at 09:05:57 (UTC) - Coordinated Universal Time
  • Sunday, April 19, 2009 at 07:05:57 PM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 23.14N 142.20E
    Depth 172 kilometers
    Region VOLCANO ISLANDS, JAPAN REGION
    Distances 205 km (125 miles) SSE of Iwo-jima, Volcano Islands, Japan
    400 km (250 miles) NW of Farallon de Pajaros, N. Mariana Islands
    1110 km (690 miles) NNW of HAGATNA, Guam
    1410 km (870 miles) S of TOKYO, Japan
    Location Uncertainty Error estimate: horizontal +/- 3.8 km; depth +/- 10.6 km
    Parameters Nst=257, Nph=257, Dmin=1092.3 km, Rmss=0.74 sec, Erho=3.8 km, Erzz=10.6 km, Gp=22.0 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usfqay

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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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