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In “Quake catastrophe like Japan's could hit Pacific Northwest, new data show” M. Alex Johnson of msnbc.com also reports on last month’s reports at the American Association for the Advancement of Science – noting that the Cascadia quake has numerous parallels with Japan’s Tōhoku disaster one year ago.

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According to Bill Steele, the public is woefully unprepared for a certain disaster: we just don’t know when. Mr. Steele is Seismology Lab Coordinator for the Pacific Northwest Seismograph Network (PNSN) at the University of Washington Department of Earth and Space Sciences where he has worked since 1993.

In a widely reported story (covered by USA Today and many other major papers across the country), the Longview Daily News reports...

It is not too surprising that it would happen somewhere in California in any given day, but yesterday’s 2011 Great California ShakeOut earthquake drill was punctuated with a few minor quakes yesterday around the Berkeley area. No injuries and only minor damage was reported.

Some 1.3 million...

California has more risk of catastrophic storms than any other region in the country – even the Southern hurricane states, according to a new study released Thursday.

The two-year study by the U.S. Geological Survey is the most thorough effort yet to assess the potential effects of a "worst-case" storm in California.

It builds on a new understanding of so-called atmospheric rivers, a focusing of high-powered winds that drag a fire hose of tropical moisture across the Pacific Ocean, pointed directly at California for days on end. The state got a relatively tame taste of the phenomenon in December.

The team of experts that developed the scenario can't say when it will happen. But they do say it has happened in the past and is virtually certain to strike again.

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U.S. Geological Survey: Twitter Earthquake Detector (TED) reports that “the USGS is developing a system that gathers real-time, earthquake-related messages from the social networking site Twitter and applies place, time, and key word filtering to gather geo-located accounts of shaking. This approach provides rapid first-impression narratives and, potentially, photos from people at the hazard’s location.” http://fcw.com/articles/2010/07/19/web-app-usgs-twitter.aspx indicates that the USGS will supplement their official data with photographs and...