Sentences with phrase «small earthquakes offshore»
The preliminary results from the Cascadia Initiative include a report of previously undetected, small earthquakes offshore, and seismic imaging that reveals new offshore structures at the subduction zone.
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SAN FRANCISCO, CALIFORNIA — A great offshore earthquake, like the one that killed hundreds of thousands when it struck off Indonesia's Sumatra coast in December 2004, would seem to offer a small measure of solace to survivors: The offshore tectonic fault that caused the temblor should require many centuries to recharge.