Recent Tsunami Event Summary for the US West Coast

🌊 Recent Tsunami Event Summary

On July 29, 2025, a massive magnitude 8.8 earthquake occurred off the coast of Kamchatka, Russia—ranking among the strongest ever recorded .

This triggered tsunami alerts and advisories for the U.S. West Coast, Hawaii, Alaska, and Pacific nations .

California experienced modest wave heights:

Crescent City: ~3–4 ft (maximum ~2.82 ft officially)

San Francisco: ~2.5 ft

Most of Southern California saw around 1 ft or less .

Tsunami advisories were downgraded and eventually canceled across nearly the entire California coastline within a day or two. Warnings persisted only temporarily along Del Norte, San Luis Obispo, and Santa Barbara coastal areas before being fully cleared .