Pacific tsunami alerts
Massive Magnitude‑8.8 Quake Off Russia Sparks Pacific‑Wide Tsunami Alerts
A powerful earthquake measuring 8.8 in magnitude struck off Russia’s Kamchatka Peninsula on July 30, 2025—the strongest global quake since 2011 and among the six largest ever recorded. The tremor occurred at a shallow depth of around 19–20 km, approximately 120 km southeast of Petropavlovsk‑Kamchatsky.