From: Audrey McAvoy, Reuters
Published November 16, 2006 12:00 AM

Small Tsunami Hit Hawaii after Major Earthquake North of Japan

HONOLULU — Tsunamis generated by a major earthquake near Japan left behind little damage but offered a legitimate test of international warning systems.


The waves, some measuring a few feet (a meter) high, struck Hawaii shores Wednesday, slightly injuring one swimmer and temporarily flooding a harbor. A surge along California's northern coast destroyed two docks in Crescent City Harbor.


The waves hit Hawaii about six hours after a magnitude 8.1 earthquake struck north of Japan. Tsunami warnings were issued by the Pacific Tsunami Warning Center, which reported that its system of sending alerts functioned properly.


"It went very smoothly, and there weren't any major problems at all," said Brian Shiro, a geophysicist at the center. "We issued a warning for 1,000 kilometers surrounding the earthquake and an advisory for the rest of the Pacific Ocean."


The alerts were canceled once the center received further information that showed the tsunami was going to be small, he said. The center canceled the tsunami watch for Hawaii when it became clear the waves were unlikely to top one meter, or about 3.3 feet.


But local civil defense authorities still warned people to stay out of the water and to exercise caution near harbors, given the possibility the earthquake would generate unusual currents around Hawaii.


A woman swimming at Waikiki suffered cuts when she was sucked through an opening in a seawall as the water receded just before the swells arrived. She was otherwise fine, said John Cummings, a spokesman for Oahu Civil Defense.


On Kauai, a 2.5-foot (76-centimeter) swell flooded a parking lot at Nawiliwili Harbor. No serious damage was reported.


In California, the weather service reported ocean surges as high as 6 feet (2 meters) and waves moving up to 30 mph (48 kph) but did not call an official tsunami warning or watch.


Harbor workers at Crescent City -- about 20 miles (30 kilometers) south of Oregon's state line -- noticed a fast-moving current around mid-afternoon that harbor master Richard Young described as a "river within the ocean."


Thousands of people living along northern Japan's Pacific coast fled to higher ground, but Japan's meteorological agency withdrew its tsunami warning after about three hours. The waves near Japan did not swell higher than 23 inches.


Source: Reuters


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