Tsunami Watch CANCELLED, No Threat to Hawai‘i After 7.9 Alaska Earthquake

January 23, 2018, 12:00 AM HST · Updated January 23, 8:37 AM
Wendy Osher · 0 Comments

PC: USGS/Google Maps.

Update: (1:14 a.m. 1.23.18)

The Pacific Tsunami Warning Center has CANCELLED the Tsunami Watch for the State of Hawaiʻi.

Based on available data, there is no tsunami threat to the State of Hawaiʻi.

Updates will be issued if conditions change.


A watch was issued late Monday night following a 7.9 (preliminary magnitude 8.2) earthquake near the Gulf of Alaska.  That watch was then CANCELLED at 1:10 a.m. HST on Tuesday, Jan. 23, 2018 following assessment conducted by the Pacific Tsunami Warning Center.

Governor Ige, Major General Logan, BG Hara and Vern Miyagi at the State Emergency Operating Center on video teleconference with the four counties Emergency Operating Center during the tsunami watch. PC: HI-EMA.

The USGS reports that the quake was located:

162.9 mi SE of Chiniak, Alaska (Population: 47);
359.2 mi S of Anchorage, Alaska (Population: 291,826);
365.5 mi S of Eagle River, Alaska (Population: 24,793);
378.8 mi S of Knik-Fairview, Alaska (Population: 14,923); and
571.1 mi WSW of Juneau, Alaska (Population: 31,275).


Previous Post: (11:43 p.m. 1.22.18; 12:40 a.m. 1.23.18)

PC: Pacific Tsunami Warning Center.

This is a special report for Tuesday, January 23 at 12:40 a.m.

The Pacific Tsunami Warning Center has issued an Tsunami Watch for the State of Hawaiʻi.

An earthquake with a 7.9 (preliminary magnitude of 8.2) has occurred near the Gulf of Alaska.

A tsunami watch is issued when an earthquake occurs that may generate a tsunami.

The Pacific Tsunami Warning Center is assessing if a tsunami has been generated.

It is not known at this time if a tsunami has been generated.

If a tsunami has been generated, the estimated time of arrival for the first wave is on Tuesday, at 4:15 a.m. Hawaiʻi standard time.

Again, it is not known at this time if a tsunami has been generated.

This message will be updated as conditions warrant.

Wendy Osher
Wendy Osher leads the Maui Now news team. She is also the news voice of parent company, Pacific Media Group, having served nearly 20 years as News Director for the company’s six Maui radio stations.

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