2.5

M2.5 Earthquake 108 km SE of Adak, Alaska — October 18, 2026

2026-10-18 16:26:36 UTC (3 days ago) · approx. 4:26 AM UTC-12 local

MagnitudeM2.5(ml)
Time16:26 UTC≈ 4:26 AM UTC-12
Depth21.5 kmshallow crustal
Coordinates51.067°, -175.754°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.07°, -175.75°

Earthquake Details

Magnitude
2.5 ml
Depth
21.5 km
shallow crustal
Location
51.0670°N
-175.7540°E

Technical Information

Event ID
aka2026uqxgen
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
15
Azimuthal Gap
259.0°
Min Station Distance
0.900°
RMS Residual
0.40 sec
Last Updated
2026-10-21 18:45:43 UTC

Nearby Earthquakes (Last 7 Days)

3.3
180 km W of Nikolski, Alaska
20 hours ago · 16.8 km deep
2.9
186 km S of Atka, Alaska
23 hours ago · 24.7 km deep
3.1
68 km E of Atka, Alaska
1 day ago · 0.0 km deep
2.8
54 km SW of Adak, Alaska
1 day ago · 15.7 km deep
4.2
Rat Islands, Aleutian Islands, Alaska
2 days ago · 52.2 km deep
3.7
123 km SSW of Nikolski, Alaska
2 days ago · 10.0 km deep
3.0
53 km SW of Adak, Alaska
2 days ago · 18.3 km deep
2.5
128 km W of Adak, Alaska
3 days ago · 1.9 km deep
2.5
71 km SE of Adak, Alaska
3 days ago · 28.2 km deep
4.1
Rat Islands, Aleutian Islands, Alaska
4 days ago · 94.7 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: aka2026uqxgen). 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 108 km SE of Adak, Alaska — October 18, 2026. Retrieved October 21, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026uqxgen/