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Earthquake Hazards Program

Magnitude 2.5 OFFSHORE VALPARAISO, CHILE

Friday, July 20, 2007 at 02:59:21 UTC

Preliminary Earthquake Report

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Magnitude 2.5
Date-Time
  • Friday, July 20, 2007 at 02:59:21 (UTC) - Coordinated Universal Time
  • Thursday, July 19, 2007 at 10:59:21 PM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 32.64S 71.66W
    Depth 9 kilometers
    Region OFFSHORE VALPARAISO, CHILE
    Distances 45 km (30 miles) N of Valparaiso, Chile
    120 km (75 miles) SSW of Illapel, Chile
    130 km (80 miles) NW of SANTIAGO, Chile
    190 km (115 miles) NNW of Rancagua, Chile
    Location Uncertainty Error estimate not available, held by USGS NEIC to another agency's solution
    Parameters not available
    Source Departamento de Geofísica, Universidad de Chile, Santiago, Chile
    Event ID usfack

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    Phase (Arrival Time) Data

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    Earthquake Information for Chile

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    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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