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Earthquake Hazards Program

Magnitude 4.6 KURIL ISLANDS

Saturday, July 21, 2007 at 10:07:09 UTC

Preliminary Earthquake Report

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Magnitude 4.6
Date-Time
  • Saturday, July 21, 2007 at 10:07:09 (UTC) - Coordinated Universal Time
  • Saturday, July 21, 2007 at 10:07:09 PM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 46.70N 152.70E
    Depth 52 kilometers
    Region KURIL ISLANDS
    Distances 410 km (255 miles) ENE of Kuril'sk, Kuril Islands
    510 km (315 miles) SSW of Severo-Kuril'sk, Kuril Islands, Russia
    1635 km (1010 miles) NE of TOKYO, Japan
    7155 km (4440 miles) NE of MOSCOW, Russia
    Location Uncertainty Error estimate: horizontal +/- 15.2 km; depth fixed by location program
    Parameters Nst=48, Nph=48, Dmin=758.9 km, Rmss=1.01 sec, Erho=15.2 km, Erzz=0 km, Gp=188.6 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usfbat

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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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