1996 Duvall earthquake

1996 Duvall earthquake
Olympia
Seattle
Wenatchee
UTC time ??
ISC event
USGS-ANSS
Date * May 2, 1996
Origin time * 21:04 PDT
Local date
Local time
Magnitude 5.6 Mw
Depth 5 mi (8 km)
Epicenter 47°46′N 121°51′W / 47.76°N 121.85°W / 47.76; -121.85Coordinates: 47°46′N 121°51′W / 47.76°N 121.85°W / 47.76; -121.85
Areas affected Pacific Northwest
Max. intensity VII (Very strong) [1]
Aftershocks 45
* Deprecated  See documentation.

The 1996 Duvall earthquake hit Duvall, Washington, about 25 miles North East of Seattle, at 9:04pm (PDT) on May 2. It hit with magnitude 5.6, and could be felt all over western Washington, northern Oregon, southern British Columbia, and east to Wenatchee. The earthquake was 5 miles (7 km) deep.[2] A Seattle Mariners game was in progress when the quake hit, and play was temporarily postponed to verify no structural damage to the Kingdome.[3] At least 45 aftershocks of a magnitude 2 or higher were reported in the subsequent days following the quake. This was the biggest earthquake in Washington since April 1965 until the 2001 Nisqually earthquake.[4]

References

  1. ↑ USGS (December 1, 2008), EXPO-CAT Earthquake Catalog, Version 2007-12, United States Geological Survey
  2. ↑ "The May 2 Duvall Earthquake". University of Washington Dept. of Earth and Space Sciences. October 2, 1996. Retrieved February 18, 2011.
  3. ↑ Egan, Timothy (May 4, 1996). "Seattle Journal;The Score? 5.4 on the Richter Scale". The New York Times. Retrieved August 3, 2014.
  4. ↑ "Notable Pacific Northwest Earthquakes Since 1993". Pacific Northwest Seismic Network. Retrieved February 18, 2011.

Sources

  • Atkinson, G. M.; Cassidy, J. F. (2000), "Integrated Use of Seismograph and Strong-Motion Data to Determine Soil Amplification: Response of the Fraser River Delta to the Duvall and Georgia Strait Earthquakes", Bulletin of the Seismological Society of America, Seismological Society of America, 90 (4): 1028–1040, Bibcode:2000BuSSA..90.1028A, doi:10.1785/0119990098
  • Cassidy, J. F.; Rogers, G. C.; Weichert, D. H. (1997), "Soil response on the Fraser delta to the MW = 5.1 Duvall, Washington, earthquake", Bulletin of the Seismological Society of America, Seismological Society of America, 87 (5): 1354–1361
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