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Earthquake Hazards Program

Magnitude 5.3 NORTHERN COLOMBIA

Tuesday, October 27, 2009 at 16:25:52 UTC

Preliminary Earthquake Report

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Magnitude 5.3
Date-Time
  • Tuesday, October 27, 2009 at 16:25:52 (UTC) - Coordinated Universal Time
  • Tuesday, October 27, 2009 at 11:25:52 AM local time at epicenter

  • Time of Earthquake in other Time Zones
    Location 6.75N 72.89W
    Depth 146.4 kilometers
    Region NORTHERN COLOMBIA
    Distances 50 km (30 miles) SSE of Bucaramanga, Colombia
    110 km (70 miles) ESE of Barrancabermeja, Colombia
    130 km (80 miles) SSW of Cucuta, Colombia
    270 km (170 miles) NNE of BOGOTA, Colombia
    Location Uncertainty Error estimate: horizontal +/- 5.3 km; depth +/- 6.7 km
    Parameters Nst=183, Nph=183, Dmin=262.2 km, Rmss=0.87 sec, Erho=5.3 km, Erzz=6.7 km, Gp=62.5 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usnga6

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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.

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    Preliminary Earthquake Report
    U.S. Geological Survey, National Earthquake Information Center
    World Data Center for Seismology, Denver


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