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PBEM & USGS mark Cascadia earthquake's 313th anniversary

2013-01-26 20:11:08| PortlandOnline

On the 313th anniversary of the last great Cascadia subduction zone earthquake, Evelyn Roeloffs of USGS explains the science behind subduction quakes and the likelihood of the next magnitude 9.0 event.

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Ready.gov Earthquakes

2013-01-09 19:00:31| PortlandOnline

Earthquake information from the Federal Emergency Management Agency (FEMA).

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