No major tsunami expected for Hawaii after 8.3M earthquake off Chile

UPDATE: KHON – The Pacific Tsunami Warning Center says no major tsunami is expected for the state of Hawaii after an 8.3-magnitude earthquake that occurred of the coast of Chile.

Based on all available data a major tsunami is not expected to strike the state of Hawaii. However sea level changes and strong currents may occur along all coasts that could be a hazard to swimmers and boaters as well as to persons near the shore at beaches and in harbors and marinas.

The threat may continue for several hours after the initial wave arrival, which is expected at 3:11 a.m. HST on Thursday, Sept. 17.


 

KHON – A tsunami watch is issued for the state of Hawaii effective at 1:08 p.m. HST.

The watch is due to an 8.3-magnitude earthquake that occurred of the coast of Chile.

Based on all available data a tsunami may have been generated by this earthquake that could be destructive on coastal areas even far from the epicenter.

An investigation is underway to determine if there is a tsunami threat to Hawaii.

An earthquake has occurred with these preliminary parameters

MAGNITUDE 8.3
ORIGIN TIME 2254 UTC SEP 16 2015
COORDINATES 31.5 SOUTH 72.0 WEST
DEPTH 10 KM / 6 MILES
LOCATION NEAR THE COAST OF CENTRAL CHILE
**The Pacific Tsunami Warning Center has upgraded the magnitude from a previously reported 7.9.**

If tsunami waves impact Hawaii the estimated earliest arrival of the first tsunami wave is 3:11 a.m. HST on Thursday, Sept. 17.

Tsunami waves reaching 0.3 to 1 meter (or 3.28 feet) above the tide level are possible for some coasts of:

Mexico, Ecuador, Peru, Antarctica, Japan, New Caledonia, New Zealand, Marshall Islands, Fiji, Samoa,American Samoa, Cook Islands, Tokelau, Vanuatu, Kiribati, Johnston Island, Palmyra Island, Howland And Baker, Tonga, Wallis and Futuna, Pitcairn Islands, Niue, Solomon Islands, Russia, Hawaii and NW Hawaiian Islands.

High tide for Hawaii is at 5:26 a.m. Thursday.

Further messages will be issued hourly or sooner as conditions warrant until the threat to Hawaii has passed.

Related Links:

Statewide tsunami evacuation map (NOAA.gov)
Tsunami evacuation maps for the City and County of Honolulu (Honolulu.gov)
The city says it will only activate its Emergency Operations Center (EOC) if and when a tsunami warning is issued, which would indicate an inundating wave is possible and full evacuations are advised.

Current Closures and Cancellations

Siren testing on Oahu originally scheduled for Thursday, Sept. 17, at Ala Wai Golf Course, Ala Wai Regional Park, and Wailupe Beach Park.
Maui County budget meeting originally scheduled for 5:30 p.m. at Kihei Community Center.
Kipahulu campground at Haleakala National Park (Maui) is closed until further notice.

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