3.0
Earthquake Details: 163 km SW of Nikolski, Alaska, United States
8/15/2026, 2:46:52 PM
A magnitude 3.0 earthquake occurred near 163 km SW of Nikolski, Alaska, United States on 8/15/2026 at 2:46:52 PM. The seismic event was recorded at a depth of 5.6 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Technical Details
Depth5.6 km
Significance138
Latitude51.8940
Longitude-170.5540
Event IDaka2026qconkg
Magnitude3.0
Updated:8/17/2026, 6:27:16 AM
External Resources
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Time & depth
- Local time
- 8/15/2026, 2:46:52 PM
- UTC
- 8/15/2026, 2:46:52 PM UTC
5.6 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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 StatesBeforeM3.1171 km SE of Nikolski, Alaska, United StatesBeforeM3.1153 km S of Atka, Alaska, United StatesBeforeM3.0182 km E of Atka, Alaska, United StatesBeforeM3.177 km W of Nikolski, Alaska, United StatesAfterM3.457 km SSE of Adak, Alaska, United StatesAfterM3.046 km S of Atka, Alaska, United StatesAfterM3.2100 km S of Atka, Alaska, United StatesAfterM3.487 km SSW of Unalaska, Alaska, United StatesAfterM3.491 km SSW of Unalaska, 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, 06:27 AM 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.