Defcon Alerts Threat Monitor

Defcon Alerts Threat Monitor

North America

Analysis: Magnitude 7.3 Earthquake South of Sand Point, Alaska, Aftershocks Continue

The National Tsunami Warning Center issued a warning shortly after the event for zones including the Alaska Peninsula and Kodiak Island, which was downgraded later.

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Defcon Level
Jul 17, 2025
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ALASKA — On July 16, 2025, at 12:37 PM Alaska time, a magnitude 7.3 earthquake struck 55 miles south of Sand Point at a depth of 20.1 km, triggering moderate shaking near the epicenter and light effe…

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