East Hawaii News

UPDATE: Tsunami Advisory Cancelled

October 28, 2012, 1:01 AM HST
* Updated October 29, 10:56 AM
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Update: Tsunami warnings and advisories have been cancelled for Hawaii.

The tsunami warning for the state of Hawaii has been downgraded to an advisory, the Pacific Tsunami Warning Center reported at 1:01 a.m.

The center said based on available data, the tsunami threat has subsided and is not expected to increase. Big Island civil defense officials said residents who evacuated could return home.

Officials warned that sea level changes and strong currents could still occur which could present a hazard to swimmers and boaters as well as persons near the shore and at harbors and marinas.

The threats could continue for several hours so Big Island harbors and beaches were to remain closed until further notice.

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The announcement came 50 minutes after updated gauge readings were showing small increases in later waves arriving in Hawaii.

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A wave that arrived at Hilo at 10:53 p.m. measured about 14 inches, roughly twice the size of the first wave that arrived 14 minutes earlier.

However, the center also said that there were reports of four-foot oscillations in Wailoa Harbor, the mouth of Wailoa River near Hilo Harbor.

The biggest wave so far came in at Kahului, Maui and was 2.5 feet in height, the center said.

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The latest gauge results had a second Big Island location, Kawaihae, which had a wave of about 17 inches arrive at 11:31 p.m.

According to the report, Midway Island saw a wave four inches tall arrive at 11:23 p.m.

The waves are being generated by a magnitude 7.7 earthquake that struck a seismically active area in the Queen Charlotte Islands off the coast of British Columbia at 5:04 Hawaii time.

 

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