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Earthquake Hazards Program

Magnitude 4.7 MARIANA ISLANDS REGION

Thursday, July 05, 2007 at 03:10:34 UTC

Preliminary Earthquake Report

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Magnitude 4.7
Date-Time
  • Thursday, July 05, 2007 at 03:10:34 (UTC) - Coordinated Universal Time
  • Thursday, July 05, 2007 at 01:10:34 PM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 17.78N 147.66E
    Depth 46 kilometers
    Region MARIANA ISLANDS REGION
    Distances 205 km (125 miles) E of Pagan, Northern Mariana Islands
    235 km (145 miles) ESE of Agrihan, Northern Mariana Islands
    355 km (220 miles) NE of SAIPAN, Northern Mariana Islands
    570 km (355 miles) NNE of HAGATNA, Guam
    Location Uncertainty Error estimate: horizontal +/- 5.9 km; depth +/- 16.3 km
    Parameters Nst=68, Nph=68, Dmin=551.2 km, Rmss=0.66 sec, Erho=5.9 km, Erzz=16.3 km, Gp=48.7 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usekaf

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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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