Gorda Ridge, April, 2001 Eruption (largest three events)

 

Event 01/04/04 07:23, Mw=4.7

      moment-tensor solution from regional seismograms in 30-100 s period band

      observed and theoretical seismograms, 30-100 s band

 

Event 01/04/04 15:38, Mw=4.5

      moment-tensor solution from regional seismograms in 30-100 s period band

      observed and theoretical seismograms, 30-100 s band

 

Event 01/04/04 09:48

      listed by NEIS as having the same magnitude as events 01/04/04 07:23 and 15:38, it is substantially smaller and could not be analyzed

 

Event 01/04/05 00:09, Mw=5.0

      moment-tensor solution from regional seismograms in 30-100 s period band

      observed and theoretical seismograms, 30-100 s band

 

Location map of regional broadband seismic stations used for the analysis

Comprehensive information on the Gorda Ridge eruption from NOAA Vents program

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