3.4

Earthquake Details: 215 km WSW of Adak, Alaska, United States

8/13/2026, 7:31:08 AM

A magnitude 3.4 earthquake occurred near 215 km WSW of Adak, Alaska, United States on 8/13/2026 at 7:31:08 AM. The seismic event was recorded at a depth of 73.6 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Technical Details

Depth73.6 km
Significance178
Latitude51.4680
Longitude-179.6760
Event IDaka2026pyhymj
Magnitude3.4
Updated:8/13/2026, 8:23:08 PM

External Resources

View on USGS Official Site

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Time & depth

Local time
8/13/2026, 7:31:08 AM
UTC
8/13/2026, 7:31:08 AM UTC
73.6 km · Intermediate-focus

Between 70 and 300 km deep.

Nearby event sequence · 12
M2.951 km ESE of Atka, Alaska, United StatesBeforeM2.875 km SE of Atka, Alaska, United StatesBeforeM2.9184 km W of Adak, Alaska, United StatesAfterM3.791 km SE of Atka, Alaska, United StatesAfterM2.937 km SSW of Atka, Alaska, United StatesAfterM2.8176 km WSW of Adak, Alaska, United StatesAfterM2.7197 km WSW of Adak, Alaska, United StatesAfterM3.2200 km W of Adak, Alaska, United StatesAfterM2.742 km S of Adak, Alaska, United StatesAfterM2.7107 km SSE of Atka, Alaska, United StatesAfterM3.1153 km S of Atka, Alaska, United StatesAfterM2.674 km SSE of Adak, Alaska, United StatesAfter

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 13, 2026, 08:23 PM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.