3.0
Earthquake Details: 46 km S of Atka, Alaska, United States
8/16/2026, 2:57:47 AM
A magnitude 3.0 earthquake occurred near 46 km S of Atka, Alaska, United States on 8/16/2026 at 2:57:47 AM. The seismic event was recorded at a depth of 93 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Technical Details
Depth93 km
Significance138
Latitude51.7820
Longitude-174.1480
Event IDaka2026qdmxem
Magnitude3.0
Updated:8/17/2026, 5:28:36 PM
External Resources
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Time & depth
- Local time
- 8/16/2026, 2:57:47 AM
- UTC
- 8/16/2026, 2:57:47 AM UTC
93 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby event sequence · 12
M3.4215 km WSW of Adak, Alaska, United StatesBeforeM3.791 km SE of Atka, Alaska, United StatesBeforeM3.291 km E of Nikolski, Alaska, United StatesBeforeM3.2200 km W of Adak, Alaska, United StatesBeforeM3.1171 km SE of Nikolski, Alaska, United StatesBeforeM3.1153 km S 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 StatesBeforeM3.457 km SSE of Adak, Alaska, United StatesBeforeM3.2100 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, 05:28 PM UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.