VashonBePrepared Weekly Newsletter

Newsletter #161 Friday, December 6, 2024: (full newsletter)

  • Respiratory Virus Season: Just Around the Corner
  • First Defense: Vaccination
  • Deploy Layers of Protection
     
  • Temporada de Virus Respiratorios: A la Vuelta de la Esquina
  • Primera Línea de Defensa: Vacunación
  • Implemente Capas de Protección

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VashonBePrepared is a coalition of some 10 disaster preparedness organizations on Vashon-Maury Island in Washington's Puget Sound region. We work closely with local and county organizations.

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Latest Updates

Do you know Washington’s four kinds of earthquake sources?

Jan 11

Written by:
1/11/2012 3:15 PM  RssIcon

Cascadia-Seismic-Zone1 Cascadia Subduction Zone
Example: the 1700 earthquake that caused shaking and a tsunami that inundated the Oregon coast and reached as far as Japan.

2 Intraplate
Example: the 2001 Nisqually, Washington, earthquake that affected Washington and northwestern Oregon. 
3 Volcanic
Example: the 1980 Mount St. Helens eruption-related earthquakes. 
4 Crustal
Example: the 1993 Scotts Mills and Klamath Falls earthquakes Crustal earthquakes also occur in southeastern Oregon where the crust is pulling
apart.

CascadiaWinter2010_Page_03Coming to terms with seismicity

Washington’s earthquake hazards come not only from different kinds of earthquakes and from associated tsunamis but from damage that can result from processes
triggered by these events. Understanding earthquakes and how damage occurs can help you prepare your home or business.

Plagiarism warning: All this came from the Oregon Department of Geology and Mineral Industries’ Winter 2010 Newsletter which isn’t all that recent – but is still full of nice graphics and helpful tips. Check out their latest offerings at: www.OregonGeology.org

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Tags: Earthquakes , WA , Oregon , Cascadia , Nisqually , GIS , Study
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