3.5
Earthquake Details: 104 km SSE of Sand Point, Alaska
Aug 21, 2026, 09:56:29
A magnitude 3.5 earthquake occurred near 104 km SSE of Sand Point, Alaska on Aug 21, 2026 at 09:56:29. The seismic event was recorded at a depth of 35 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth35 km
Significance188
Latitude54.4254
Longitude-160.1073
Event IDus6000tmmw
Magnitude3.5
Updated:Aug 24, 2026, 09:19:20 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Aug 21, 2026, 01:56:29 AKDT
- UTC
- Aug 21, 2026, 09:56:29 UTC
35 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.193 km SE of King Cove, AlaskaAfterM3.044 km ESE of Perryville, AlaskaAfterM3.1140 km S of Sand Point, AlaskaAfterM3.487 km S of Sand Point, AlaskaAfterM3.028 km ENE of Chignik, AlaskaAfterM2.990 km SSE of Akutan, AlaskaAfterM4.193 km SSE of Sand Point, AlaskaAfterM2.990 km SE of King Cove, AlaskaAfterM2.981 km SE of King Cove, AlaskaAfterM2.9105 km SE of False Pass, AlaskaAfterM4.8195 km SE of Akutan, AlaskaAfterM2.985 km SSW of Unalaska, AlaskaAfter
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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 24, 2026, 09:19 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.