2.9
Earthquake Details: 63 km W of Happy Valley, Alaska, United States
8/20/2026, 11:22:06 AM
A magnitude 2.9 earthquake occurred near 63 km W of Happy Valley, Alaska, United States on 8/20/2026 at 11:22:06 AM. The seismic event was recorded at a depth of 121.5 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth121.5 km
Significance129
Latitude60.0290
Longitude-152.8580
Event IDaka2026qlnush
Magnitude2.9
Updated:8/20/2026, 11:26:22 AM
External Resources
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Time & depth
- Local time
- 8/20/2026, 3:22:06 AM AKDT
- UTC
- 8/20/2026, 11:22:06 AM UTC
121.5 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
Nearby event sequence · 12
M2.85 km NNW of Diamond Ridge, Alaska, United StatesBeforeM4.541 km SW of Karluk, Alaska, United StatesBeforeM2.941 km SSE of Akhiok, Alaska, United StatesBeforeM2.933 km ESE of Point Possession, Alaska, United StatesBeforeM2.97 km WSW of Point MacKenzie, Alaska, United StatesBeforeM2.723 km NNW of Susitna, Alaska, United StatesBeforeM2.857 km WNW of Skwentna, Alaska, United StatesBeforeM2.749 km NW of Karluk, Alaska, United StatesBeforeM3.348 km ESE of Port Alsworth, Alaska, United StatesBeforeM3.745 km W of Happy Valley, Alaska, United StatesBeforeM2.960 km NNW of Petersville, Alaska, United StatesBeforeM3.022 km ESE of Elmendorf Air Force Base, 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 20, 2026, 11:26 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.