2.3

M2.3 Earthquake 71 km ESE of Adak, Alaska — September 15, 2026

2026-09-15 23:50:03 UTC (2026-09-15) · approx. 11:50 AM UTC-12 local

MagnitudeM2.3(ml)
Time23:50 UTC≈ 11:50 AM UTC-12
Depth15.4 kmshallow crustal
Coordinates51.715°, -175.624°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.72°, -175.62°

Earthquake Details

Magnitude
2.3 ml
Depth
15.4 km
shallow crustal
Location
51.7150°N
-175.6240°E

Technical Information

Event ID
aka2026siniad
Event Type
earthquake
Status
✓ Reviewed
Significance
81
Stations Used
16
Azimuthal Gap
213.0°
Min Station Distance
0.300°
RMS Residual
0.30 sec
Last Updated
2026-09-28 19:10:41 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
4.2
Rat Islands, Aleutian Islands, Alaska
3 days ago · 52.2 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

Actions

View on USGSDid You Feel It?

Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.3 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: aka2026siniad). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 15, 2026). M2.3 Earthquake 71 km ESE of Adak, Alaska — September 15, 2026. Retrieved September 28, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026siniad/