2.5

M2.5 Earthquake 143 km W of Adak, Alaska — August 27, 2025

2025-08-27 23:21:26 UTC (2025-08-27) · approx. 11:21 AM UTC-12 local

MagnitudeM2.5(ml)
Time23:21 UTC≈ 11:21 AM UTC-12
Depth101.5 kmintermediate depth
Coordinates51.759°, -178.713°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.76°, -178.71°

Earthquake Details

Magnitude
2.5 ml
Depth
101.5 km
intermediate depth
Location
51.7593°N
-178.7128°E

Technical Information

Event ID
us6000rlsv
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
17
Azimuthal Gap
113.0°
Min Station Distance
0.032°
RMS Residual
0.21 sec
Last Updated
2025-11-19 21:59:39 UTC

Nearby Earthquakes (Last 7 Days)

2.5
128 km W of Adak, Alaska
1 day ago · 1.9 km deep
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
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
4 days ago · 195.4 km deep
3.9
294 km ESE of Attu Station, Alaska
5 days ago · 8.0 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: us6000rlsv). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, August 27, 2025). M2.5 Earthquake 143 km W of Adak, Alaska — August 27, 2025. Retrieved November 19, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000rlsv/