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Earthquake Hazards Program

Magnitude 4.0 GULF OF CALIFORNIA

Thursday, July 19, 2007 at 14:09:53 UTC

Preliminary Earthquake Report

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Magnitude 4.0
Date-Time
  • Thursday, July 19, 2007 at 14:09:53 (UTC) - Coordinated Universal Time
  • Thursday, July 19, 2007 at 08:09:53 AM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 24.23N 108.97W
    Depth 10 kilometers
    Region GULF OF CALIFORNIA
    Distances 135 km (85 miles) E of La Paz, Baja California Sur, Mexico
    160 km (100 miles) SSW of Guamuchil, Sinaloa, Mexico
    170 km (105 miles) S of Los Mochis, Sinaloa, Mexico
    1140 km (710 miles) WNW of MEXICO CITY, D.F., Mexico
    Location Uncertainty Error estimate: horizontal +/- 22.9 km; depth fixed by location program
    Parameters Nst=47, Nph=47, Dmin=911.2 km, Rmss=1.28 sec, Erho=22.9 km, Erzz=0 km, Gp=269.8 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usezau

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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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