Japan quake could raise concerns elsewhere - Yahoo! News
WASHINGTON – Scientists sifting through data from the great Japan earthquake in March are uncovering surprises that may raise concerns nearby.
Researchers led by Mark Simons of the California Institute of Technology are urging close monitoring of seismic activity in the Ibaraki region immediately south of the spot where the most recent quake occurred.
They are not predicting another quake, Simons stressed in a telephone interview. But the area where the deadly March temblor struck "was believed by many to be not likely to produce a big quake, and that was wrong." So that raises questions about other, similar regions, he said.
"We learned we have to be much more suspicious about what we know for sure, and more explicit about what we don't know," Simons said. Monitoring the region will give scientists clues to the movement of the undersea plates that slipped in the quake.
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Science: http://www.sciencemag.org
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