2.1

M2.1 Earthquake 78 km W of Karluk, Alaska — September 20, 2026

2026-09-20 23:31:39 UTC (2026-09-20) · approx. 1:31 PM UTC-10 local

MagnitudeM2.1(ml)
Time23:31 UTC≈ 1:31 PM UTC-10
Depth5.3 kmshallow crustal
Coordinates57.667°, -155.761°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 57.67°, -155.76°

Earthquake Details

Magnitude
2.1 ml
Depth
5.3 km
shallow crustal
Location
57.6670°N
-155.7610°E

Technical Information

Event ID
aka2026srsuwu
Event Type
earthquake
Status
✓ Reviewed
Significance
68
Stations Used
28
Azimuthal Gap
122.0°
Min Station Distance
0.300°
RMS Residual
0.40 sec
Last Updated
2026-09-26 01:00:27 UTC

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Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: aka2026srsuwu). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, September 20, 2026). M2.1 Earthquake 78 km W of Karluk, Alaska — September 20, 2026. Retrieved September 26, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026srsuwu/