“The amount of devastation is going to be unbelievable,” says Rob Witter, coastal geologist with the Oregon Department of Geology and Mineral Industries. “People aren’t going to be ready for this. Even if they are prepared, they are going to be surprised by the level of devastation.”
The last big Cascadia subduction zone earthquake likely occurred on Jan 27th, 1700, at magnitude 9.0. The article suggests an occurence anywhere from 300-350 year intervals up to 400-600 year average intervals (new research suggests the former). It’s just over 311 years and counting.
Thoughts and prayers to the people of Japan. There may be at least 10,000 dead.
Related On This Site: …From The USGS: February 14th, 2011 Earthquake Near Mt. St. Helens-4.3……Seattle Earthquake-January 30th 2009-4.5 On The Richter Scale…From The Seattle Times: ‘Hard Lessons Learned Since The 2001 Nisqually Quake’