3.1

Earthquake Details: 153 km S of Atka, Alaska, United States

8/14/2026, 10:31:50 PM

A magnitude 3.1 earthquake occurred near 153 km S of Atka, Alaska, United States on 8/14/2026 at 10:31:50 PM. The seismic event was recorded at a depth of 20 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Technical Details

Depth20 km
Significance148
Latitude50.8190
Longitude-174.0230
Event IDaka2026qbiaba
Magnitude3.1
Updated:8/16/2026, 8:30:05 AM

External Resources

View on USGS Official Site

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Time & depth

Local time
8/14/2026, 10:31:50 PM
UTC
8/14/2026, 10:31:50 PM UTC
20 km · Shallow-focus

Less than 70 km deep. Shaking is often stronger near the epicentre.

Nearby event sequence · 12
M2.951 km ESE of Atka, Alaska, United StatesBeforeM3.4215 km WSW of Adak, Alaska, United StatesBeforeM2.9184 km W of Adak, Alaska, United StatesBeforeM3.791 km SE of Atka, Alaska, United StatesBeforeM2.937 km SSW of Atka, Alaska, United StatesBeforeM2.9170 km SW of Nikolski, Alaska, United StatesBeforeM3.2200 km W of Adak, Alaska, United StatesBeforeM3.1171 km SE of Nikolski, Alaska, United StatesBeforeM2.988 km SSW of Nikolski, Alaska, United StatesBeforeM2.9243 km ESE of Atka, Alaska, United StatesAfterM2.9179 km ESE of Atka, Alaska, United StatesAfterM3.0182 km E of Atka, 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 16, 2026, 08:30 AM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.