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Earthquake Hazards Program

Magnitude 7.6 TONGA REGION

Thursday, March 19, 2009 at 18:17:40 UTC

News Release

The following is a release by the United States Geological Survey, National Earthquake Information Center: An earthquake occurred about 210 km (130 miles) SSE of NUKU'ALOFA, Tonga at 12:17 PM MDT, Mar 19, 2009 (Mar 20 at 6:17 AM local time in Tonga). The magnitude and location may be revised when additional data and further analysis results are available. No reports of damage or casualties have been received at this time; however, this earthquake may have caused damage due to its location and size. Earthquakes of this type sometimes cause tsunamis, however the USGS has no information that an actual tsunami has been generated. For information about tsunamis, contact the NOAA Tsunami Warning Centers at

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

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