Massive 8.8 earthquake off Kamchatka triggers tsunami; Hawaii, West Coast on alert

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An 8.8 magnitude earthquake struck off Russia’s Kamchatka Peninsula on July 30 2025. The Pacific Tsunami Warning Center quickly issued widespread alerts across Hawaii, the U.S. West Coast and Pacific nations then downgraded Hawaii to an advisory once initial waves peaked around 1.7 m. Kamchatka Governor Vladimir Solodov remarked “Today’s earthquake was serious and the strongest in decades of tremors” https://www.reuters.com/business/environment/powerful-quake-russias-far-east-causes-tsunami-japan-hawaii-order-evacuations-2025-07-30/

In Hawaii Gov Josh Green noted “So far we have not seen a wave of consequence which is of great relief to us” as water levels climbed then facilities reopened https://www.washingtonpost.com/world/2025/07/30/strongest-tsunami-earthquake-records-russia/

A resident in Petropavlovsk‑Kamchatsky added human texture “It felt like the walls could collapse any moment. The shaking lasted continuously for at least 3 minutes” https://www.reuters.com/business/environment/tunami-waves-reach-hawaii-after-huge-quake-rattles-russias-far-east-2025-07-30/

Russia’s coast saw devastating three to five metre waves and flooding in Severo‑Kurilsk. Hawaii experienced milder swells under two metres yet the initial alarm led to broad evacuations. California received tsunami waves under half a metre but coastal currents remained treacherous. It ranks among the six strongest quakes on record globally, and aftershocks of magnitude up to 7.5 are forecast. The messaging pivot from panic to calm felt too smooth and fast. Was the shadow of 2011 tsunami trauma driving overreaction or masking critical uncertainty? The real story lies in how varied impact zones responded and how thin the line runs between necessary caution and performative alarm.

https://twitter.com/_/status/1950408789351669945

 

Breaking news from the Pacific Tsunami Warning Center:

A TSUNAMI HAS BEEN GENERATED THAT COULD CAUSE DAMAGE ALONG COASTLINES OF ALL ISLANDS IN THE STATE OF HAWAII. URGENT ACTION SHOULD BE TAKEN TO PROTECT LIVES AND PROPERTY.

https://www.tsunami.gov/events/PHEB/2025/07/29/25210002/3/WEHW40/WEHW40.txt

Earthquake has been updated to magnitude 8.8!

This is tied for the 6th most powerful earthquake in recorded history:

https://en.wikipedia.org/wiki/Lists_of_earthquakes#Strongest_earthquakes_by_magnitude

TSUNAMI REPORTED: 3-4 meter tsunami has been observed along the Russian coast. IF YOU ARE IN THE WARNING AREA, GET TO HIGHER GROUND

Here’s the newly generated and often updated wikipedia page for this event:

https://en.wikipedia.org/wiki/2025_Kamchatka_Peninsula_earthquake