DISCLAIMER: Earthquake depths, before and after 3/8/2005
List of all earthquakes occurring at Mt. St. Helens since 03 - 30 , 1998 .
Last update: Wed Apr 30 11:47:28 PDT 2008
Number of earthquakes plotted: 15569
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Map Guide
- The above figure plots earthquake depths (vertical axis) as a function of increasing time (horizontal axis) for Mt. St Helens earthquakes from the past decade.
- Red dots, if present, represent events occuring in the last month.
- Green dots, if present, represent events occuring in the last year.
- Circles represent older events occuring in the last decade.
- Poorly located events are not shown! For an explanation of event quality click here.
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The above plot shows event depths as a function of time for the last decade. Each open circle represents one earthquake. Earthquakes are scaled according to magnitude.
Back to:
UW Dept. of Earth and Space Sciences
PNW Earthquake Info
University of Washington Dept. of Earth and Space Sciences, Box 351310, Seattle, WA 98195-1310
This is file SEIS/PNSN/HELENS/helenstd_dc.html
If you see any problems e-mail:
seis_web@ess.washington.edu
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