3.1

Earthquake Details: 77 km W of Nikolski, Alaska, United States

8/15/2026, 8:00:42 PM

A magnitude 3.1 earthquake occurred near 77 km W of Nikolski, Alaska, United States on 8/15/2026 at 8:00:42 PM. The seismic event was recorded at a depth of 148 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Technical Details

Depth148 km
Significance148
Latitude52.9670
Longitude-170.0090
Event IDaka2026qcyzqg
Magnitude3.1
Updated:8/17/2026, 8:47:57 AM

External Resources

View on USGS Official Site

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Time & depth

Local time
8/15/2026, 8:00:42 PM
UTC
8/15/2026, 8:00:42 PM UTC
148 km · Intermediate-focus

Between 70 and 300 km deep.

Nearby event sequence · 12
M3.791 km SE of Atka, Alaska, United StatesBeforeM3.291 km E of Nikolski, Alaska, United StatesBeforeM4.060 km SSW of Unalaska, Alaska, United StatesBeforeM2.991 km ESE of Akutan, Alaska, United StatesBeforeM3.1171 km SE of Nikolski, Alaska, United StatesBeforeM2.988 km SSW of Nikolski, Alaska, United StatesBeforeM3.1153 km S of Atka, Alaska, United StatesBeforeM2.9243 km ESE of Atka, Alaska, United StatesBeforeM2.9179 km ESE of Atka, Alaska, United StatesBeforeM3.0182 km E of Atka, Alaska, United StatesBeforeM3.0163 km SW of Nikolski, Alaska, United StatesBeforeM2.9189 km SE of Akutan, Alaska, United StatesBefore

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 17, 2026, 08:47 AM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.