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)

2.9
179 km ESE of Atka, Alaska
3 hours ago · 176.8 km deep
2.7
85 km SSW of Nikolski, Alaska
5 hours ago · 22.4 km deep
2.6
92 km SE of Atka, Alaska
5 hours ago · 20.0 km deep
2.6
Rat Islands, Aleutian Islands, Alaska
5 hours ago · 40.9 km deep
3.0
204 km W of Adak, Alaska
20 hours ago · 101.1 km deep
2.9
170 km SW of Nikolski, Alaska
1 day ago · 20.0 km deep
2.5
90 km SW of Atka, Alaska
1 day ago · 113.5 km deep
2.5
239 km WSW of Adak, Alaska
1 day ago · 11.2 km deep
2.5
27 km SSW of Atka, Alaska
1 day ago · 189.4 km deep
2.5
109 km S of Nikolski, Alaska
1 day ago · 7.8 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: 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/