3.3
Earthquake Details: 89 km SE of King Cove, Alaska, United States
8/18/2026, 9:04:45 AM
A magnitude 3.3 earthquake occurred near 89 km SE of King Cove, Alaska, United States on 8/18/2026 at 9:04:45 AM. 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
Significance168
Latitude54.4067
Longitude-161.5087
Event IDus6000tlma
Magnitude3.3
Updated:8/18/2026, 11:00:13 AM
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- 8/18/2026, 1:04:45 AM AKDT
- UTC
- 8/18/2026, 9:04:45 AM UTC
35 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M2.761 km SSW of Unalaska, Alaska, United StatesBeforeM2.860 km SSW of Unalaska, Alaska, United StatesBeforeM3.3128 km SSE of Sand Point, Alaska, United StatesBeforeM3.3119 km SSE of Sand Point, Alaska, United StatesBeforeM2.9189 km SE of Akutan, Alaska, United StatesBeforeM3.554 km SE of Perryville, Alaska, United StatesBeforeM3.176 km WSW of Karluk, Alaska, United StatesBeforeM2.7110 km SSE of False Pass, Alaska, United StatesBeforeM3.292 km SSE of Sand Point, Alaska, United StatesBeforeM3.293 km SE of King Cove, Alaska, United StatesBeforeM3.487 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 18, 2026, 11:00 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.