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Magnitude 4.1 IZU ISLANDS, JAPAN REGION

Sunday, September 07, 2008 at 12:44:12 UTC

Preliminary Earthquake Report

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Magnitude 4.1
Date-Time
  • Sunday, September 07, 2008 at 12:44:12 (UTC) - Coordinated Universal Time
  • Sunday, September 07, 2008 at 09:44:12 PM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 30.96N 137.79E
    Depth 438 kilometers
    Region IZU ISLANDS, JAPAN REGION
    Distances 300 km (185 miles) SW of Hachijo-jima, Izu Islands, Japan
    415 km (255 miles) S of Hamamatsu, Honshu, Japan
    430 km (265 miles) SSE of Tsu, Honshu, Japan
    550 km (345 miles) SSW of TOKYO, Japan
    Location Uncertainty Error estimate: horizontal +/- 8.3 km; depth +/- 9.6 km
    Parameters Nst=40, Nph=40, Dmin=618.9 km, Rmss=0.71 sec, Erho=8.3 km, Erzz=9.6 km, Gp=132.5 degrees
    Source USGS NEIC (WDCS-D)
    Event ID uswra7

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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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