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6.6 Quake - East Coast of Honshu, Japan - No Tsunami Alert

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  • 6.6 Quake - East Coast of Honshu, Japan - No Tsunami Alert

    This event has been reviewed by a seismologist.

    Magnitude 6.6
    Date-Time

    Friday, September 16, 2011 at 19:26:42 UTC
    Saturday, September 17, 2011 at 04:26:42 AM at epicenter

    Location 40.288?N, 142.727?E
    Depth 36.3 km (22.6 miles)
    Region NEAR THE EAST COAST OF HONSHU, JAPAN
    Distances

    107 km (66 miles) ESE (102?) from Hachinohe, Honshu, Japan
    150 km (93 miles) ENE (64?) from Morioka, Honshu, Japan
    180 km (112 miles) ESE (109?) from Aomori, Honshu, Japan
    576 km (358 miles) NNE (26?) from TOKYO, Japan

    Location Uncertainty horizontal +/- 15.3 km (9.5 miles); depth +/- 4.2 km (2.6 miles)
    Parameters NST=447, Nph=447, Dmin=195.9 km, Rmss=0.82 sec, Gp= 32?,
    M-type=regional moment magnitude (Mw), Version=7
    Source

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

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