2.5

M2.5 Earthquake 160 km W of Adak, Alaska — July 31, 2026

2026-07-31 23:00:02 UTC (2026-07-31) · approx. 11:00 AM UTC-12 local

MagnitudeM2.5(ml)
Time23:00 UTC≈ 11:00 AM UTC-12
Depth98.5 kmintermediate depth
Coordinates51.729°, -178.953°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.73°, -178.95°

Earthquake Details

Magnitude
2.5 ml
Depth
98.5 km
intermediate depth
Location
51.7290°N
-178.9530°E

Technical Information

Event ID
aka2026pbmqmw
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
26
Azimuthal Gap
118.0°
Min Station Distance
0.100°
RMS Residual
0.40 sec
Last Updated
2026-08-31 23:00:10 UTC

Nearby Earthquakes (Last 7 Days)

3.7
262 km ESE of Attu Station, Alaska
18 hours ago · 35.0 km deep
3.4
156 km SW of Adak, Alaska
20 hours ago · 5.0 km deep
3.0
Rat Islands, Aleutian Islands, Alaska
3 days ago · 10.0 km deep
3.3
Rat Islands, Aleutian Islands, Alaska
3 days ago · 10.0 km deep
5.0
236 km ESE of Attu Station, Alaska
3 days ago · 10.0 km deep
3.0
137 km SW of Adak, Alaska
3 days ago · 16.7 km deep
4.1
231 km ESE of Attu Station, Alaska
4 days ago · 19.2 km deep
2.6
32 km SSE of Adak, Alaska
5 days ago · 71.5 km deep
3.1
67 km SSE of Adak, Alaska
5 days ago · 21.3 km deep
2.5
Rat Islands, Aleutian Islands, Alaska
5 days ago · 19.9 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: aka2026pbmqmw). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, July 31, 2026). M2.5 Earthquake 160 km W of Adak, Alaska — July 31, 2026. Retrieved August 31, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026pbmqmw/