3.1
Earthquake Details: 176 km WSW of Nikolski, Alaska, United States
8/19/2026, 7:31:02 PM
A magnitude 3.1 earthquake occurred near 176 km WSW of Nikolski, Alaska, United States on 8/19/2026 at 7:31:02 PM. The seismic event was recorded at a depth of 88 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Technical Details
Depth88 km
Significance148
Latitude52.0880
Longitude-171.0600
Event IDaka2026qkicfq
Magnitude3.1
Updated:8/19/2026, 8:30:05 PM
External Resources
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Time & depth
- Local time
- 8/19/2026, 7:31:02 PM
- UTC
- 8/19/2026, 7:31:02 PM UTC
88 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby event sequence · 12
M3.2100 km S of Atka, Alaska, United StatesBeforeM2.986 km SW of Atka, Alaska, United StatesBeforeM2.9102 km SW of Adak, Alaska, United StatesBeforeM3.487 km SSW of Unalaska, Alaska, United StatesBeforeM3.491 km SSW of Unalaska, 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 StatesBeforeM2.959 km SSE of Atka, Alaska, United StatesBeforeM2.9199 km E of Atka, Alaska, United StatesBeforeM2.771 km ENE of Atka, Alaska, United StatesBeforeM2.869 km ENE of Atka, Alaska, United StatesBefore
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, 08:30 PM 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.