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Earthquake Hazards Program

Magnitude 4.5 SOUTHERN PERU

Sunday, July 08, 2007 at 03:39:21 UTC

Preliminary Earthquake Report

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Magnitude 4.5
Date-Time
  • Sunday, July 08, 2007 at 03:39:21 (UTC) - Coordinated Universal Time
  • Saturday, July 07, 2007 at 10:39:21 PM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 17.84S 69.83W
    Depth 113 kilometers
    Region SOUTHERN PERU
    Distances 45 km (30 miles) ENE of Tacna, Peru
    90 km (55 miles) NE of Arica, Chile
    135 km (85 miles) ESE of Moquegua, Peru
    1005 km (620 miles) SE of LIMA, Peru
    Location Uncertainty Error estimate: horizontal +/- 8.6 km; depth fixed by location program
    Parameters Nst=87, Nph=98, Dmin=233.4 km, Rmss=1.15 sec, Erho=8.6 km, Erzz=0 km, Gp=96.4 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usenab

    Location Maps

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    Historic Seismicity

    Theoretical P-Wave Travel Times

     Historic Moment Tensor Solutions

    Phase (Arrival Time) Data

    Seismic Hazard Map

    Earthquake Density Maps

    Earthquake Information for Peru

    Earthquake Information for South America

    Earthquakes: Frequently Asked Questions

    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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