HAWAII – A Tsunami Warning has been issued for Hawaii and for Alaska’s Aleutian Islands after a magnitude 8.8 earthquake struck off Russia.
The earthquake struck off Russia’s Kamchatka Peninsula at a depth of 20.7 km, according to the U.S. Geological Survey.
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TSUNAMI WARNING
— Hawaii EMA (@Hawaii_EMA) July 30, 2025
IN EFFECT AT 243 PM HST.
THE ESTIMATED ARRIVAL TIME IN HAWAII OF THE FIRST TSUNAMI WAVE IS
0717 PM HST TUE 29 JUL 2025
URGENT ACTION SHOULD BE TAKEN TO PROTECT LIVES AND PROPERTY. HOURLY UPDATES WILL BE POSTED.
STAY SAFE
The quake was given a preliminary 8.0 magnitude. It was updated to a 8.7 magnitude and then updated again to 8.8.
Officials say based on their evaluations, a tsunami has been generated that could cause damage to coastlines on islands on Hawaii. They estimate the earliest time of arrival for waves to be at 7:17 p.m. HST.
Another Tsunami Watch was also issued for coastal areas of California, Oregon, and Washington. It has since been upgraded to a Tsunami Advisory, meaning a tsunami capable of producing strong currents or waves dangerous to persons in or very near the water is expected. Areas in the advisory should not expect widespread inundation.
HNL Alert: Tsunami Warning Updated - Take Action! Destructive tsunami waves expected. Go to https://t.co/rWQABuBpUE for wave arrival time. EVACUATE coastal areas in PRIMARY EVACUATION ZONE. Map at https://t.co/gUXCBvh2ZM. Evacuate a https://t.co/TjGRXxxBoj pic.twitter.com/nkmdI3C6CD
— Oahu Emergency Mgmt. (@Oahu_DEM) July 30, 2025