7.3-magnitude quake strikes off Alaska, tsunami warning issued: USGS

A 7.3-magnitude earthquake struck off the coast of the US state of Alaska on Wednesday, triggering a tsunami warning, the US Geological Survey said.

The earthquake took place at approximately 12:37 a.m. local time (8:37 p.m. GMT), with its epicenter located about 54 miles (87 kilometers) south of the island town of Sand Point, USGS said. The epicenter had a relatively shallow depth of 20.1 kilometers.

Authorities issued a tsunami warning for South Alaska and the Alaska Peninsula after the quake.

 Magnitude    7.3
Region    ALASKA PENINSULA
Date time    2025-07-16 20:37:39.4 UTC
Location    54.741 ; -160.556
Depth    12 km
Distance    953 km SSW of Anchorage, United States / pop: 298,000 / local time: 12:37:39.4 2025-07-16
66 km S of Sand Point, United States / pop: 1,000 / local time: 12:37:39.4 2025-07-16