Special Event

Basic Information


Time of Occurrence (GMT): Sunday January 31, 1999 at 11:05:57.68 Z
Time of Occurrence (PST): Sunday January 31, 1999 at 03:05:57.68 AM

Depth (km) 10.53
Magnitude (Mc) 3.1

Location 48.2787N 118.6820W
    44.4 km NNE of Grand Coulee, WA
    65.3 km WSW of Colville, WA
   116.9 km  NW of Spokane, WA


Name of data file: 99013111055n

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Detailed Information and Graphics about the Earthquake

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Earthquake Mechanism

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Preliminary Strong Motion Information

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