2.8
Earthquake Details: 236 km WSW of Adak, Alaska, United States
8/15/2026, 2:20:11 PM
A magnitude 2.8 earthquake occurred near 236 km WSW of Adak, Alaska, United States on 8/15/2026 at 2:20:11 PM. The seismic event was recorded at a depth of 23.04 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Technical Details
Depth23.04 km
Significance121
Latitude50.8713
Longitude-179.6366
Event IDus6000tl9a
Magnitude2.8
Updated:8/18/2026, 5:18:05 PM
External Resources
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Time & depth
- Local time
- 8/15/2026, 2:20:11 PM
- UTC
- 8/15/2026, 2:20:11 PM UTC
23.04 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 StatesBeforeM2.9184 km W of Adak, Alaska, United StatesBeforeM3.791 km SE of Atka, Alaska, United StatesBeforeM2.937 km SSW of Atka, Alaska, United StatesBeforeM3.2200 km W of Adak, Alaska, United StatesBeforeM3.1153 km S of Atka, Alaska, United StatesBeforeM3.0240 km WSW of Adak, Alaska, United StatesBeforeM3.457 km SSE of Adak, Alaska, United StatesAfterM3.046 km S of Atka, Alaska, United StatesAfterM3.2100 km S of Atka, Alaska, United StatesAfterM3.0188 km SSE of Atka, Alaska, United StatesAfterM3.1119 km WSW of Adak, 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 18, 2026, 05:18 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.