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Earthquake Hazards Program

Magnitude 4.0 VANUATU

Friday, July 13, 2007 at 02:18:14 UTC

Preliminary Earthquake Report

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Magnitude 4.0
Date-Time
  • Friday, July 13, 2007 at 02:18:14 (UTC) - Coordinated Universal Time
  • Friday, July 13, 2007 at 01:18:14 PM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 20.34S 169.57E
    Depth 192 kilometers
    Region VANUATU
    Distances 95 km (60 miles) SSE of Isangel, Tanna, Vanuatu
    220 km (135 miles) NE of Tadine, Loyalty Islands, New Caledonia
    315 km (195 miles) SSE of PORT-VILA, Efate, Vanuatu
    1860 km (1150 miles) ENE of BRISBANE, Queensland, Australia
    Location Uncertainty Error estimate: horizontal +/- 32.5 km; depth +/- 45.1 km
    Parameters Nst=12, Nph=12, Dmin=1600.1 km, Rmss=0.94 sec, Erho=32.5 km, Erzz=45.1 km, Gp=145.3 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usetd4

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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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