28 February, 2001, Nisqually, Washington Earthquake

Moment-tensor solution from regional seismograms in 75-200 s period band, Mw=6.8

Moment-tensor solution from regional seismograms in 30-200 s period band, Mw=6.7

Moment-tensor solution from teleseismic P and SH waves, Mw=6.7

Observed and theoretical seismograms, 75-200 s band

Observed and theoretical seismograms, 30-200 s band

Broadband seismograms from Corvallis, OR

Location map of regional broadband seismic stations used for the analysis

Comprehensive information on Nisqually earthquake from IRIS

OSU Regional moment-tensors, Geophysics, COAS, OSU Analysis by John Nabelek, COAS, Oregon State University, nabelek@oce.orst.edu