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Tonga Region 7.6

  • 21-10-2011 10:54pm
    #1
    [Deleted User]
    Posts: 6,025 ✭✭✭


    Earthquake Details

    This event has been reviewed by a seismologist.

    Magnitude 7.6
    Date-Time

    Friday, October 21, 2011 at 17:57:17 UTC
    Saturday, October 22, 2011 at 05:57:17 AM at epicenter

    Location 28.941°S, 176.046°W
    Depth 39.8 km (24.7 miles)
    Region KERMADEC ISLANDS REGION
    Distances

    180 km (112 miles) E (79°) from Raoul Island, Kermadec Islands
    870 km (541 miles) S (185°) from NUKU'ALOFA, Tonga
    2978 km (1851 miles) WSW (240°) from PAPEETE, Tahiti, French Polynesia

    Location Uncertainty horizontal +/- 15.7 km (9.8 miles); depth +/- 10.8 km (6.7 miles)
    Parameters NST= 94, Nph= 94, Dmin=187 km, Rmss=2.44 sec, Gp= 50°,
    M-type=regional moment magnitude (Mw), Version=5
    Source

    Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D

    Tsunami has been observed following the M7.4 magnitude earthquake in Raoul Island, Kermadec Island, New Zealand at 18:16 Zulu. The observed tsunami waves 10 centimeters high. Other information not available yet.

    http://hisz.rsoe.hu/alertmap

    ( seems to have been downgraded to 7.4 )


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