Regional Location:
Preliminary Magnitude:
Moment Magnitude:
Greenwich Mean Date:
Greenwich Mean Time:
Latitude:
Longitude:
Focal Depth (km):
Analysis Quality (A-D):WESTERN WASHINGTON
5.5 Ms (NEIC)
5.9 Mw (Harvard)
99/07/03
01:43:54
47.0757N
123.4635W
40.6 km
A
Maps modified from Yahoo's MapQuest.
- Subtract 8 hours from Greenwich Mean Time to obtain PST or 5 hours for EDT
- Location Quality: A (good), B (fair), C (poor), D (bad)
- Magnitude: Ml (local or Richter magnitude), Lg (mblg), Md (duration), Mb (body wave), Ms (surface wave), Mw (moment)
- Standard Sources Include:
- U.S. Geological Survey, National Earthquake Information Center, Golden, CO (NEIC)
- Harvard Geophysical Observatory, Harvard University, Cambridge, MA (HRV)
- U.S. Geological Survey, Northern California Seismic Network (NCSN)
- University of California, Berkeley, Seismological Laboratory (UCBSL)
- California Institute of Technology, Pasadena, California (Caltech)
- various wire reports and/or personal communications
- All data are preliminary and subject to change.
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- e-mail: info@seismo-watch.com
- Web Site: http://www.seismo-watch.com
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- NEWS MEDIA: Please site Seismo-Watch as your source
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