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I-15 rollover in Clearfield injures 2

San Andreas Fault

Speaker: Utah on better quake footing than Ore.

Last updated Tuesday, January 17, 2012 - 6:08pm

OGDEN -- Utah is famous as earthquake country, with the Wasatch Mountains serving as an obvious natural marker for the fault line that built them hundreds of millions of years ago.

The earthquake potential of western Oregon was a much better-kept secret until the past decade or two, said Scott F. Burns, a geology professor at Portland State University.

Communications, Disaster, Disaster Planning, Disasters, Earthquake, Emergency Preparedness, Fires, Landslide, Natural disaster, rock slide, Safety, San Andreas Fault, Transportation, Utah, Utilities, Wasatch Front, Wasatch Mountains, Weber State University, Featured, Insurance Read more Comments

Big quake in California long overdue, study says

David Perlman San Francisco Chronicle

Last updated Friday, July 8, 2011 - 11:47am

The southern end of the San Andreas Fault may be overdue for a large earthquake that could heavily damage the Los Angeles area, scientists have concluded after studying a record of ancient quakes and flooding around the seismically active region of the Salton Sea.

The researchers report finding evidence of many small past quakes that have ruptured along small "stepover" faults, which run at right angles to the fault's southern end. The underground stresses those small quakes have built up could trigger a much bigger one on the dominant San Andreas, they say.

Features, Earthquake, Research, San Andreas Fault, Study Read more Comments