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Earthquake Hazards Program

Magnitude 4.4 LAOS

Friday, May 22, 2009 at 18:50:24 UTC

Preliminary Earthquake Report

Magnitude 4.4
Date-Time
  • Friday, May 22, 2009 at 18:50:24 (UTC) - Coordinated Universal Time
  • Saturday, May 23, 2009 at 01:50:24 AM local time at epicenter

    • Time of Earthquake in other Time Zones
    Location 21.48N 102.23E
    Depth 10 kilometers
    Region LAOS
    Distances 85 km (50 miles) W of Dien Bien Phu, Vietnam
    155 km (95 miles) ESE of Yunjinghong, Yunnan, China
    380 km (235 miles) W of HANOI, Vietnam
    870 km (540 miles) NNE of BANGKOK, Thailand
    Location Uncertainty Error estimate: horizontal +/- 7.5 km; depth fixed by location program
    Parameters Nst=47, Nph=47, Dmin=453.4 km, Rmss=1.12 sec, Erho=7.5 km, Erzz=0 km, Gp=51.2 degrees
    Source USGS NEIC (WDCS-D)
    Event ID usgydu

    Earthquake Location

     


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    Last modification: Saturday, 2009 June 20 07:57:08 MDT

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