2.7

M2.7 Earthquake 58 km SW of Adak, Alaska — October 18, 2026

2026-10-18 21:04:41 UTC (3 days ago) · approx. 9:04 AM UTC-12 local

MagnitudeM2.7(ml)
Time21:04 UTC≈ 9:04 AM UTC-12
Depth16.0 kmshallow crustal
Coordinates51.478°, -177.183°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.48°, -177.18°

Earthquake Details

Magnitude
2.7 ml
Depth
16.0 km
shallow crustal
Location
51.4780°N
-177.1830°E

Technical Information

Event ID
aka2026urgnju
Event Type
earthquake
Status
✓ Reviewed
Significance
112
Stations Used
32
Azimuthal Gap
207.0°
Min Station Distance
0.300°
RMS Residual
0.40 sec
Last Updated
2026-10-22 06:49:13 UTC

Nearby Earthquakes (Last 7 Days)

3.1
177 km W of Nikolski, Alaska
1 day ago · 11.4 km deep
2.9
186 km S of Atka, Alaska
1 day ago · 24.7 km deep
3.1
68 km E of Atka, Alaska
2 days ago · 0.0 km deep
3.2
63 km SW of Adak, Alaska
2 days ago · 10.0 km deep
4.2
Rat Islands, Aleutian Islands, Alaska
3 days ago · 52.2 km deep
2.8
73 km SE of Adak, Alaska
3 days ago · 20.4 km deep
3.0
127 km WSW of Adak, Alaska
3 days ago · 20.8 km deep
3.3
63 km SW of Adak, Alaska
3 days ago · 4.0 km deep
2.5
80 km S of Adak, Alaska
3 days ago · 28.2 km deep
2.5
108 km SE of Adak, Alaska
4 days ago · 21.5 km deep

Actions

View on USGSDid You Feel It?

Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.7 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: aka2026urgnju). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, October 18, 2026). M2.7 Earthquake 58 km SW of Adak, Alaska — October 18, 2026. Retrieved October 22, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026urgnju/