2.9
Earthquake Details: 60 km NNW of Petersville, Alaska, United States
8/20/2026, 5:39:49 AM
A magnitude 2.9 earthquake occurred near 60 km NNW of Petersville, Alaska, United States on 8/20/2026 at 5:39:49 AM. The seismic event was recorded at a depth of 128.8 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth128.8 km
Significance129
Latitude63.0220
Longitude-151.0430
Event IDaka2026qlcjyh
Magnitude2.9
Updated:8/20/2026, 6:23:17 AM
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- 8/19/2026, 9:39:49 PM AKDT
- UTC
- 8/20/2026, 5:39:49 AM UTC
128.8 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
Nearby event sequence · 12
M3.051 km NNE of Chase, Alaska, United StatesBeforeM2.955 km W of Anchor Point, Alaska, United StatesBeforeM2.85 km NNW of Diamond Ridge, Alaska, United StatesBeforeM3.011 km WSW of Venetie, 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 StatesBeforeM3.348 km ESE of Port Alsworth, Alaska, United StatesBeforeM3.745 km W of Happy Valley, Alaska, United StatesBeforeM2.963 km W of Happy Valley, Alaska, United StatesAfterM3.022 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, 06:23 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.