2.5

M2.5 Earthquake 99 km ESE of Adak, Alaska — December 30, 2025

2025-12-30 20:07:59 UTC (2025-12-30) · approx. 8:07 AM UTC-12 local

MagnitudeM2.5(ml)
Time20:07 UTC≈ 8:07 AM UTC-12
Depth26.9 kmshallow crustal
Coordinates51.518°, -175.316°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.52°, -175.32°

Earthquake Details

Magnitude
2.5 ml
Depth
26.9 km
shallow crustal
Location
51.5180°N
-175.3160°E

Technical Information

Event ID
ak2025zrwqlc
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
11
Azimuthal Gap
238.0°
Min Station Distance
0.600°
RMS Residual
0.30 sec
Last Updated
2026-05-04 06:49:37 UTC

Nearby Earthquakes (Last 7 Days)

4.3
115 km WSW of Adak, Alaska
9 hours ago · 55.2 km deep
4.0
89 km SSW of Nikolski, Alaska
1 day ago · 12.5 km deep
4.5
81 km NNE of Adak, Alaska
3 days ago · 172.4 km deep
3.3
Rat Islands, Aleutian Islands, Alaska
4 days ago · 10.0 km deep
3.4
189 km WSW of Adak, Alaska
6 days ago · 10.0 km deep
2.5
119 km SW of Nikolski, Alaska
6 days ago · 1.8 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: ak2025zrwqlc). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, December 30, 2025). M2.5 Earthquake 99 km ESE of Adak, Alaska — December 30, 2025. Retrieved May 4, 2026 from https://www.earthquaketracker.org/earthquakes/event/ak2025zrwqlc/