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Earthquake Hazards Program

Magnitude 4.6 OFFSHORE EL SALVADOR

Thursday, July 19, 2007 at 11:40:37 UTC

Preliminary Earthquake Report

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Magnitude 4.6
Date-Time
  • Thursday, July 19, 2007 at 11:40:37 (UTC) - Coordinated Universal Time
  • Thursday, July 19, 2007 at 05:40:37 AM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 12.45N 88.21W
    Depth 64 kilometers
    Region OFFSHORE EL SALVADOR
    Distances 110 km (70 miles) S of San Miguel, El Salvador
    115 km (70 miles) W of Chinandega, Nicaragua
    175 km (110 miles) SE of SAN SALVADOR, El Salvador
    1395 km (870 miles) ESE of MEXICO CITY, D.F., Mexico
    Location Uncertainty Error estimate: horizontal +/- 12.5 km; depth fixed by location program
    Parameters Nst=59, Nph=59, Dmin=204.5 km, Rmss=0.81 sec, Erho=12.5 km, Erzz=0 km, Gp=193.3 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usezal

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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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