3.1
Earthquake Details: 119 km WSW of Adak, Alaska, United States
8/19/2026, 1:27:16 AM
A magnitude 3.1 earthquake occurred near 119 km WSW of Adak, Alaska, United States on 8/19/2026 at 1:27:16 AM. The seismic event was recorded at a depth of 5.3 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Technical Details
Depth5.3 km
Significance148
Latitude51.3600
Longitude-178.1420
Event IDaka2026qixykf
Magnitude3.1
Updated:8/19/2026, 4:43:15 AM
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- 8/19/2026, 1:27:16 AM
- UTC
- 8/19/2026, 1:27:16 AM UTC
5.3 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby event sequence · 12
M3.457 km SSE of Adak, Alaska, United StatesBeforeM3.046 km S of Atka, Alaska, United StatesBeforeM3.2100 km S of Atka, Alaska, United StatesBeforeM2.986 km SW of Atka, Alaska, United StatesBeforeM2.9102 km SW of Adak, Alaska, United StatesBeforeM2.8148 km E of Atka, Alaska, United StatesBeforeM2.9109 km SSE of Atka, Alaska, United StatesBeforeM3.0188 km SSE of Atka, Alaska, United StatesBeforeM2.9118 km WSW of Adak, Alaska, United StatesAfterM4.1138 km SW of Adak, Alaska, United StatesAfterM2.959 km SSE of Atka, Alaska, United StatesAfterM2.9199 km E of Atka, 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 19, 2026, 04:43 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.