November 15, 2005 in Nation/World

Strong quake hits northern Japan

Associated Press
 

TOKYO — A powerful earthquake shook northern Japan early today, and small tsunami waves struck coastal towns about 200 miles from the epicenter. There were no immediate reports of damage or injuries.

The quake, with a preliminary magnitude of 7.1, hit at 6:39 a.m. (1:39 p.m. Monday PST) and was centered just below the ocean bottom off the east coast of Japan’s main island of Honshu, Japan’s Meteorological Agency said.

Small tsunami waves measuring 12 and 20 inches hit the coastal city of Ofunato and smaller waves hit at least four other towns. Tsunami waves — generated by earthquakes — are often barely noticeable in the ocean but can rise to great heights once they arrive at shore.

Ross Stein, a geophysicist with the USGS in Menlo Park, Calif., said the swell amounted to “a surfable tsunami.”

The quake hit at a depth of about 18 miles and was centered off the coast of Sanriku in northern Japan, 330 miles east of Tokyo, the U.S. Geological Survey said. It shook buildings across a wide area across northern and eastern Honshu, including Tokyo and Hokkaido.

Japan is one of the world’s most earthquake-prone countries because it sits atop four tectonic plates. A 7.2-magnitude earthquake shook northeastern Japan in August, injuring at least 59 people, triggering landslides, damaging buildings and causing widespread power outages.

There was no destructive Pacific Ocean-wide tsunami threat following Tuesday’s earthquake, based on historical quake and tsunami data, according to the Pacific Tsunami Warning Center in Ewa Beach, Hawaii.

However, earthquakes as large as today’s can generate a local tsunami capable of causing destruction.

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