2.5

M2.5 Earthquake 55 km SSE of Atka, Alaska — September 17, 2026

2026-09-17 23:55:16 UTC (2026-09-17) · approx. 11:55 AM UTC-12 local

MagnitudeM2.5(ml)
Time23:55 UTC≈ 11:55 AM UTC-12
Depth61.0 kmshallow crustal
Coordinates51.724°, -173.928°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.72°, -173.93°

Earthquake Details

Magnitude
2.5 ml
Depth
61.0 km
shallow crustal
Location
51.7244°N
-173.9276°E

Technical Information

Event ID
us6000twzc
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
14
Azimuthal Gap
274.0°
Min Station Distance
0.506°
RMS Residual
0.64 sec
Last Updated
2026-10-05 22:50:36 UTC

Nearby Earthquakes (Last 7 Days)

3.1
177 km W of Nikolski, Alaska
2 days ago · 11.4 km deep
2.9
186 km S of Atka, Alaska
2 days ago · 24.7 km deep
3.1
68 km E of Atka, Alaska
3 days ago · 0.0 km deep
3.2
63 km SW of Adak, Alaska
3 days ago · 10.0 km deep
2.5
85 km SSW of Nikolski, Alaska
3 days ago · 6.8 km deep
2.5
131 km S of Adak, Alaska
3 days ago · 9.5 km deep
2.7
60 km WNW of Nikolski, Alaska
4 days ago · 193.7 km deep
3.1
121 km SSW of Nikolski, Alaska
4 days ago · 21.4 km deep
3.7
123 km SSW of Nikolski, Alaska
4 days ago · 10.0 km deep
4.0
161 km S of Nikolski, Alaska
4 days ago · 10.0 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.5 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000twzc). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 17, 2026). M2.5 Earthquake 55 km SSE of Atka, Alaska — September 17, 2026. Retrieved October 5, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000twzc/