3.9
Earthquake Details: 167 km WSW of Nikolski, Alaska
Sep 16, 2026, 08:28:51
A magnitude 3.9 earthquake occurred near 167 km WSW of Nikolski, Alaska on Sep 16, 2026 at 08:28:51. The seismic event was recorded at a depth of 90.5 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Technical Details
Depth90.5 km
Significance234
Latitude52.3740
Longitude-171.1570
Event IDaka2026sjepok
Magnitude3.9
Updated:Sep 16, 2026, 15:43:42 UTC
External Resources
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Time & depth
- Local time
- Sep 16, 2026, 08:28:51
- UTC
- Sep 16, 2026, 08:28:51 UTC
90.5 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby event sequence · 12
M3.5134 km SW of Adak, AlaskaBeforeM3.278 km E of Nikolski, AlaskaBeforeM2.9210 km S of Atka, AlaskaBeforeM3.3116 km SE of Akutan, AlaskaBeforeM2.9194 km SSE of Akutan, AlaskaBeforeM3.0101 km SSW of Nikolski, AlaskaBeforeM3.0134 km SW of Adak, AlaskaBeforeM4.092 km SSW of Unalaska, AlaskaBeforeM2.997 km SSW of Nikolski, AlaskaBeforeM3.2118 km SW of Adak, AlaskaBeforeM3.1113 km SW of Adak, AlaskaBeforeM3.695 km SSW of Unalaska, AlaskaAfter
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: Sep 16, 2026, 15:43 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.