3.0

Earthquake Details: 240 km WSW of Adak, Alaska, United States

8/15/2026, 2:20:09 PM

A magnitude 3.0 earthquake occurred near 240 km WSW of Adak, Alaska, United States on 8/15/2026 at 2:20:09 PM. The seismic event was recorded at a depth of 12.7 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Technical Details

Depth12.7 km
Significance138
Latitude50.8320
Longitude-179.6570
Event IDaka2026qcnqgf
Magnitude3.0
Updated:8/17/2026, 6:18:18 AM

External Resources

View on USGS Official Site

Loading map...

Time & depth

Local time
8/15/2026, 2:20:09 PM
UTC
8/15/2026, 2:20:09 PM UTC
12.7 km · Shallow-focus

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

Nearby event sequence · 12
M2.875 km SE 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 StatesBeforeM2.8176 km WSW of Adak, Alaska, United StatesBeforeM3.2200 km W of Adak, Alaska, United StatesBeforeM3.1153 km S of Atka, Alaska, United StatesBeforeM2.7239 km WSW of Adak, Alaska, United StatesAfterM2.7170 km S of Atka, Alaska, United StatesAfterM3.457 km SSE of Adak, Alaska, United StatesAfterM3.046 km S 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 17, 2026, 06:18 AM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.