2.3

M2.3 Earthquake 68 km S of Adak, Alaska — September 17, 2026

2026-09-17 21:16:04 UTC (2026-09-17) · approx. 9:16 AM UTC-12 local

MagnitudeM2.3(ml)
Time21:16 UTC≈ 9:16 AM UTC-12
Depth34.6 kmshallow crustal
Coordinates51.263°, -176.752°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.26°, -176.75°

Earthquake Details

Magnitude
2.3 ml
Depth
34.6 km
shallow crustal
Location
51.2630°N
-176.7520°E

Technical Information

Event ID
aka2026smafnj
Event Type
earthquake
Status
✓ Reviewed
Significance
81
Stations Used
17
Azimuthal Gap
234.0°
Min Station Distance
0.600°
RMS Residual
0.40 sec
Last Updated
2026-09-22 21:12:17 UTC

Nearby Earthquakes (Last 7 Days)

2.7
7 km ESE of Atka, Alaska
19 hours ago · 215.4 km deep
2.8
29 km WNW of Atka, Alaska
22 hours ago · 199.2 km deep
3.2
135 km SW of Nikolski, Alaska
23 hours ago · 0.0 km deep
2.5
54 km ESE of Atka, Alaska
3 days ago · 75.4 km deep
2.7
180 km SSE of Adak, Alaska
3 days ago · 12.8 km deep
2.6
54 km SSE of Adak, Alaska
3 days ago · 27.4 km deep
2.6
65 km ESE of Atka, Alaska
4 days ago · 71.3 km deep
2.5
Rat Islands, Aleutian Islands, Alaska
4 days ago · 94.6 km deep
3.1
177 km W of Nikolski, Alaska
4 days ago · 11.4 km deep
2.9
186 km S of Atka, Alaska
4 days ago · 24.7 km deep

Actions

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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: aka2026smafnj). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 17, 2026). M2.3 Earthquake 68 km S of Adak, Alaska — September 17, 2026. Retrieved September 22, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026smafnj/