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Earthquake Hazards Program

Magnitude 4.5 GUAM REGION

Monday, July 02, 2007 at 00:01:12 UTC

Preliminary Earthquake Report

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Magnitude 4.5
Date-Time
  • Monday, July 02, 2007 at 00:01:12 (UTC) - Coordinated Universal Time
  • Monday, July 02, 2007 at 10:01:12 AM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 13.49N 145.59E
    Depth 82.1 kilometers
    Region GUAM REGION
    Distances 85 km (50 miles) SSE of Rota, Northern Mariana Islands
    90 km (55 miles) E of HAGATNA, Guam
    190 km (115 miles) S of SAIPAN, Northern Mariana Islands
    315 km (195 miles) S of Anatahan, Northern Mariana Islands
    Location Uncertainty Error estimate: horizontal +/- 15.8 km; depth +/- 14.2 km
    Parameters Nst=26, Nph=26, Dmin=78.9 km, Rmss=1.00 sec, Erho=15.8 km, Erzz=14.2 km, Gp=130.2 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usehbs

    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 Guam

    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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