* Astronomy

Geologists find tsunami hazard in eastern Aleutian Islands

Geologists in Alaska have found evidence that a 125-mile section of the eastern Aleutian Islands that was once considered unlikely to generate earthquakes may be a future source of temblors - as well as potentially devastating tsunamis that could hit Hawaii.
Field work by U.S. Geological Survey scientists on Sedanka Island near Dutch Harbor, a major U.S. fishing port, revealed "sand sheets," or deposits of sand lifted off beaches and moved a half-mile inland. The sand sheets indicate large tsunamis had hit frequently - in geologic time.
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