Material Detail

"Earthquakes: The 1700 Cascadia Mega-Thrust Quake" icon

Earthquakes: The 1700 Cascadia Mega-Thrust Quake

An earthquake of magnitude 9 rocked the Pacific Northwest on January 26, 1700 around 9:00 PM. A series of independent discoveries over the past two decades have narrowed the window of occurrence of this "great quake" to a precise time. Preliminary evidence consistant with this date came from carbon dating, tree ring studies, and soil deposits. Although these lines of evidence enabled scientists to verify that a great subduction zone earthquake...

Show More


  • User Rating
  • Comments
  • Learning Exercises
  • Bookmark Collections
  • Course ePortfolios
  • Accessibility Info

More about this material


Disciplines with similar materials as Earthquakes: The 1700 Cascadia Mega-Thrust Quake


Log in to participate in the discussions or sign up if you are not already a MERLOT member.