1872 North Cascades earthquake
|Date||December 14, 1872|
|Countries or regions||United States, Washington; Canada, British Columbia|
The 1872 North Cascades earthquake struck Washington state on December 14, 1872. Causing intense shaking in Oregon, Idaho, Montana, British Columbia, and Alberta, the earthquake's magnitude was between 6.8 and 7.4. The exact magnitude and epicenter location were never determined.
The largest historical earthquake in Washington's history, it was followed by a magnitude 5.0 aftershock on December 30.
- Bakun, W.H.; Haugerud R.A., Hopper M.G. & Ludwin R.S. (2002). "The December 1872 Washington State Earthquake". Bulletin of the Seismological Society of America 92 (8): 3239–3258. Bibcode:2002BuSSA..92.3239B. doi:10.1785/0120010274. Retrieved 7 January 2011.
- Lamontagne, M.; Halchuk S., Cassidy J.F. & Rogers G.C. (2008). "Significant Canadian Earthquakes of the Period 1600–2006". Seismological Research Letters 79 (2): 211–223. doi:10.1785/gssrl.79.2.211. Retrieved 7 January 2011.
- Marshall, Maureen E. Wenatchee's Dark Past. Wenatchee, Wash: The Wenatchee World, 2008.