2.5

M2.5 Earthquake 159 km W of Adak, Alaska — July 31, 2026

2026-07-31 23:00:03 UTC (2026-07-31) · approx. 11:00 AM UTC-12 local

MagnitudeM2.5(ml)
Time23:00 UTC≈ 11:00 AM UTC-12
Depth94.1 kmintermediate depth
Coordinates51.822°, -178.953°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.82°, -178.95°

Earthquake Details

Magnitude
2.5 ml
Depth
94.1 km
intermediate depth
Location
51.8216°N
-178.9529°E

Technical Information

Event ID
us6000tid0
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
17
Azimuthal Gap
153.0°
Min Station Distance
0.074°
RMS Residual
0.37 sec
Last Updated
2026-08-31 23:00:06 UTC

Nearby Earthquakes (Last 7 Days)

3.5
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5.0
236 km ESE of Attu Station, Alaska
16 hours ago · 10.0 km deep
3.0
137 km SW of Adak, Alaska
16 hours ago · 16.7 km deep
4.1
231 km ESE of Attu Station, Alaska
1 day ago · 19.2 km deep
2.6
32 km SSE of Adak, Alaska
2 days ago · 71.5 km deep
3.1
67 km SSE of Adak, Alaska
2 days ago · 21.3 km deep
2.5
Rat Islands, Aleutian Islands, Alaska
2 days ago · 19.9 km deep
3.0
60 km SSE of Atka, Alaska
2 days ago · 50.2 km deep
3.5
159 km SW of Adak, Alaska
2 days ago · 4.8 km deep
3.5
160 km SW of Adak, Alaska
2 days ago · 6.9 km deep

Actions

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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: us6000tid0). 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 159 km W of Adak, Alaska — July 31, 2026. Retrieved August 31, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000tid0/