2.5

M2.5 Earthquake 128 km W of Adak, Alaska — October 18, 2026

2026-10-18 09:34:04 UTC (1 day ago) · approx. 9:34 PM UTC-12 local

MagnitudeM2.5(ml)
Time09:34 UTC≈ 9:34 PM UTC-12
Depth1.9 kmshallow crustal
Coordinates51.831°, -178.504°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.83°, -178.50°

Earthquake Details

Magnitude
2.5 ml
Depth
1.9 km
shallow crustal
Location
51.8310°N
-178.5040°E

Technical Information

Event ID
aka2026uqjmpa
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
10
Azimuthal Gap
187.0°
Min Station Distance
0.300°
RMS Residual
0.40 sec
Last Updated
2026-10-19 06:02:56 UTC

Nearby Earthquakes (Last 7 Days)

4.2
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2.5
71 km SE of Adak, Alaska
1 day ago · 28.2 km deep
4.1
Rat Islands, Aleutian Islands, Alaska
2 days ago · 94.7 km deep
3.4
217 km SSE of Atka, Alaska
2 days ago · 10.0 km deep
3.9
107 km SSE of Adak, Alaska
2 days ago · 11.0 km deep
2.5
Rat Islands, Aleutian Islands, Alaska
3 days ago · 56.3 km deep
3.1
Rat Islands, Aleutian Islands, Alaska
4 days ago · 1.9 km deep
2.6
155 km W of Adak, Alaska
4 days ago · 94.0 km deep
2.6
294 km W of Adak, Alaska
4 days ago · 65.1 km deep
3.5
8 km SW of Atka, Alaska
5 days ago · 195.4 km deep

Actions

View on USGSDid You Feel It?

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: aka2026uqjmpa). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, October 18, 2026). M2.5 Earthquake 128 km W of Adak, Alaska — October 18, 2026. Retrieved October 19, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026uqjmpa/