Special Event

Basic Information


Time of Occurrence (GMT): Saturday December 25, 1999 at 06:50:6.34 Z
Time of Occurrence (PST): Friday December 24, 1999 at 10:50:6.34 PM

Depth (km) 10.00
Magnitude (Mc) 3.8

Location 48.4288N 125.1302W
    77.2 km  NW of Forks, WA
    98.9 km  SE of Tofino, BC
   171.1 km WSW of Vancouver,BC


Name of data file: 99122506493j

This is an automated web page produced after a significant earthquake to give essential information about the earthquake and previous earthquake activity in the region. This information will be updated as needed.


Detailed Information and Graphics about the Earthquake

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Earthquake Mechanism

If sufficient P-wave first motion data are available, a fault plane determination for the earthquake will be available in the form of

Moment Tensor Estimates of the Earthquake size may also be available. To see, check at Oregon State U.

Preliminary Strong Motion Information

Related Information: Most Up-to-Date Local, National, and Global Earthquake Summaries