Alaska Peninsula Shaken by Series of Aftershocks After 7.3 Quake—Tsunami Advisory Cancelled but Coastal Caution Urged

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Sand Point, Alaska – More than a dozen aftershocks rattled the Alaska Peninsula Wednesday afternoon and evening, keeping residents on edge after a powerful 7.3 magnitude earthquake struck south of Sand Point. While the tsunami advisory has now been cancelled, communities are urged to remain cautious as seismic activity continues.

According to the National Tsunami Warning Center, the main earthquake hit at 12:38 p.m. AKDT, about 55 miles south of Sand Point. Over the next several hours, at least a dozen significant aftershocks—some topping magnitude 5.0—shook the region, with shaking reported from Kodiak to Cold Bay. Emergency officials lifted the tsunami advisory late Wednesday after confirming no damaging waves, but strong aftershocks remain a threat, particularly overnight.

Residents have reported minor damage, power outages, and temporary road closures in affected areas. Utility crews and emergency responders are assessing infrastructure for further issues, especially in coastal and hilly zones where landslides remain possible. Locals are advised to avoid damaged buildings, keep mobile devices charged, and monitor local emergency alerts in case conditions change.

With aftershocks expected to continue into Thursday, state officials remind the public to be prepared for additional shaking and to stay clear of hazardous areas until all-clear messages are issued.

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