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Earthquake Hazards Program

Magnitude 5.4 PHILIPPINE ISLANDS REGION

Monday, July 09, 2007 at 14:05:36 UTC

Preliminary Earthquake Report

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Magnitude 5.4
Date-Time
  • Monday, July 09, 2007 at 14:05:36 (UTC) - Coordinated Universal Time
  • Monday, July 09, 2007 at 10:05:36 PM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 18.19N 119.45E
    Depth 29 kilometers
    Region PHILIPPINE ISLANDS REGION
    Distances 120 km (75 miles) W of Laoag, Luzon, Philippines
    230 km (145 miles) NNW of Baguio, Luzon, Philippines
    425 km (265 miles) NNW of MANILA, Philippines
    790 km (490 miles) SSW of T'AI-PEI, Taiwan
    Location Uncertainty Error estimate: horizontal +/- 4.5 km; depth fixed by location program
    Parameters Nst=122, Nph=122, Dmin=697.8 km, Rmss=0.72 sec, Erho=4.5 km, Erzz=0 km, Gp=82.6 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usepch

    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

    Earthquakes: Frequently Asked Questions

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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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