Kodiak tsunami warning caused by 7.5 magnitude quake

Tsunami warning alarms blared all over Kodiak on Monday afternoon, after the Gulf of Alaska was rocked by a 7.5 magnitude earthquake 55 miles off the Southeastern shore of Sand Point.

People sought high ground, and some skippers sped their boats out of port. The Kodiak Emergency Operations Center forecasted that the wave would arrive by 2:50– two hours after the earthquake occurred.

Fortunately, the tsunami itself was quite small. The warning was downgraded to an advisory on Kodiak, then around 3:45pm the all-clear was given.

It was the first real tsunami for Kodiak’s new tsunami sirens since they were installed a few weeks ago.

Monday’s earthquake was believed to be an aftershock of a 7.9 magnitude earthquake which occurred July 22nd. Monday’s quake had several aftershocks in the same location at 5.0 magnitude and below.

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