From Portland Oregon station KOIN:
Research: The Big One could rattle Oregon sooner
A new analysis by researchers in Oregon, Spain and British Columbia suggests that massive earthquakes on northern sections of the Cascadia Subduction Zone, affecting areas of the Pacific Northwest that are more heavily populated, are somewhat more frequent than has been believed in the past.
The chance of one occurring within the next 50 years is also slightly higher than previously estimated.
The findings, published this week in the journal Marine Geology, are based on data that is far more detailed and comprehensive than anything prior to this. It used measurements from 195 core samples containing submarine landslide deposits caused by subduction zone earthquakes, instead of only about a dozen such samples in past research.
The work was done by researchers from Oregon State University, Camosun College in British Columbia and Instituto Andaluz de Ciencias de la Tierra in Spain. The research was supported by the National Science Foundation and the U.S. Geological Survey.
Got my batteries charged up, a couple weeks of food in the pantry and water from a stream nearby. About all we can do out here. A magnitude 9 quake will make life a mess out here. When they were researching for the Cascadia Rising drill, it was found that none of the I-5 bridges would withstand the movement. Figure that most grocery stores have at best about ten days of food on the shelves and in backstock, many times it's only a few days - we get weekly deliveries.
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