Wrangell Sentinel -

Tsunami scare Tuesday brief but harmless


January 25, 2018

USGS map

This US Geological Survey map indicates where Tuesday morning's earthquake took place, as well as its outward impact. Taking place about 12 miles below the surface of the Gulf of Alaska, the 7.9 magnitude tremor sparked a tsunami alert across much of the state's southern coastline.

Wrangell residents were among those in communities ringing the Gulf of Alaska who were alerted to a tsunami warning just after midnight Tuesday, following reports of an 8.2 magnitude earthquake occurring 175 miles offshore from Kodiak city.

Issued at 12:35 a.m. local time, the Tsunami Warning Center in Palmer had forecast tsunami activity after registering the quake, which had occurred at a depth of 12 miles. Part of the National Weather Service, the center projected the rippling effect to first reach Kodiak at around 1:45 a.m., followed by Seward and Elfin Cove 10 minutes later and Sitka a...

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