Earthquake Details: 184 km W of Adak, Alaska, United States

8/13/2026, 11:09:14 AM

A magnitude 2.9 earthquake occurred near 184 km W of Adak, Alaska, United States on 8/13/2026 at 11:09:14 AM. The seismic event was recorded at a depth of 186.9 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Technical Details

Depth186.9 km

Significance129

Latitude51.8674

Longitude-179.3197

Event IDus6000tkm6

Magnitude2.9

Updated:8/14/2026, 10:59:35 AM

External Resources

View on USGS Official Site

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Time & depth

Local time: 8/13/2026, 11:09:14 AM
UTC: 8/13/2026, 11:09:14 AM UTC

186.9 km · Intermediate-focus

Between 70 and 300 km deep.

Nearby event sequence · 12

M2.951 km ESE of Atka, Alaska, United StatesBefore8/12/2026, 2:02:27 AM M2.875 km SE of Atka, Alaska, United StatesBefore8/12/2026, 6:34:07 PM M3.4215 km WSW of Adak, Alaska, United StatesBefore8/13/2026, 7:31:08 AM M3.791 km SE of Atka, Alaska, United StatesAfter8/13/2026, 3:28:16 PM M2.937 km SSW of Atka, Alaska, United StatesAfter8/13/2026, 4:46:25 PM M2.8176 km WSW of Adak, Alaska, United StatesAfter8/14/2026, 6:02:40 AM M2.7197 km WSW of Adak, Alaska, United StatesAfter8/14/2026, 7:05:42 AM M3.2200 km W of Adak, Alaska, United StatesAfter8/14/2026, 1:33:27 PM M2.742 km S of Adak, Alaska, United StatesAfter8/14/2026, 2:36:05 PM M2.7107 km SSE of Atka, Alaska, United StatesAfter8/14/2026, 3:06:55 PM M3.1153 km S of Atka, Alaska, United StatesAfter8/14/2026, 10:31:50 PM M2.674 km SSE of Adak, Alaska, United StatesAfter8/15/2026, 12:09:46 AM

Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Aug 14, 2026, 10:59 AM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.