2.3

M2.3 Earthquake 72 km WSW of Karluk, Alaska — September 23, 2026

2026-09-23 14:50:31 UTC (2026-09-23) · approx. 4:50 AM UTC-10 local

MagnitudeM2.3(ml)
Time14:50 UTC≈ 4:50 AM UTC-10
Depth65.8 kmshallow crustal
Coordinates57.265°, -155.519°
Felt byNo felt reports
StatusAutomatic (preliminary)
Map showing earthquake epicenter at 57.27°, -155.52°

Earthquake Details

Magnitude
2.3 ml
Depth
65.8 km
shallow crustal
Location
57.2650°N
-155.5190°E

Technical Information

Event ID
aka2026swpmtg
Event Type
earthquake
Status
Automatic
Significance
81
Stations Used
37
Azimuthal Gap
108.0°
Min Station Distance
0.600°
RMS Residual
0.50 sec
Last Updated
2026-09-23 14:54:39 UTC

Nearby Earthquakes (Last 7 Days)

3.1
188 km SE of Perryville, Alaska
2 hours ago · 5.0 km deep
2.5
42 km SSE of Chignik, Alaska
4 hours ago · 49.8 km deep
2.8
36 km NNW of Karluk, Alaska
7 hours ago · 68.4 km deep
3.2
130 km E of Chignik, Alaska
15 hours ago · 63.9 km deep
3.0
256 km SE of Chiniak, Alaska
18 hours ago · 10.0 km deep
2.5
103 km SE of Ugashik, Alaska
19 hours ago · 5.0 km deep
2.6
118 km E of Chignik, Alaska
1 day ago · 18.2 km deep
2.6
46 km W of Happy Valley, Alaska
2 days ago · 100.3 km deep
3.0
63 km SE of Port Graham, Alaska
2 days ago · 54.5 km deep
2.9
53 km SSE of King Salmon, Alaska
2 days ago · 0.0 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: aka2026swpmtg). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 23, 2026). M2.3 Earthquake 72 km WSW of Karluk, Alaska — September 23, 2026. Retrieved September 23, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026swpmtg/