2.7

Earthquake Details: 170 km S of Atka, Alaska, United States

8/15/2026, 11:56:55 PM

A magnitude 2.7 earthquake occurred near 170 km S of Atka, Alaska, United States on 8/15/2026 at 11:56:55 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
Significance112
Latitude50.6810
Longitude-173.8470
Event IDaka2026qdgwlf
Magnitude2.7
Updated:8/17/2026, 6:13:45 AM

External Resources

View on USGS Official Site

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Time & depth

Local time
8/15/2026, 11:56:55 PM
UTC
8/15/2026, 11:56:55 PM UTC
20 km · Shallow-focus

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

Nearby event sequence · 12
M3.4215 km WSW of Adak, Alaska, United StatesBeforeM3.791 km SE of Atka, 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 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 StatesBeforeM3.0240 km WSW of Adak, Alaska, United StatesBeforeM3.0163 km SW of Nikolski, Alaska, United StatesBeforeM3.177 km W of Nikolski, 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, 06:13 AM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.