Sep, 23 2025
A 7.8‑magnitude quake off Kamchatka set off a tsunami advisory for Alaska's western Aleutians on Sept. 18, 2025. Real‑time gauges showed no wave, so officials lifted the warning within hours. The tremor was the biggest aftershock of the July 29, 8.8‑magnitude event, underscoring the region’s ongoing seismic volatility.