2.1

M2.1 Earthquake 88 km WSW of Adak, Alaska — December 23, 2025

2025-12-23 22:26:59 UTC (2025-12-23) · approx. 10:26 AM UTC-12 local

MagnitudeM2.1(ml)
Time22:26 UTC≈ 10:26 AM UTC-12
Depth23.3 kmshallow crustal
Coordinates51.462°, -177.720°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.46°, -177.72°

Earthquake Details

Magnitude
2.1 ml
Depth
23.3 km
shallow crustal
Location
51.4620°N
-177.7200°E

Technical Information

Event ID
ak2025zffebl
Event Type
earthquake
Status
✓ Reviewed
Significance
68
Stations Used
12
Azimuthal Gap
262.0°
Min Station Distance
0.300°
RMS Residual
0.30 sec
Last Updated
2026-03-01 07:53:48 UTC

Nearby Earthquakes (Last 7 Days)

3.1
64 km S of Adak, Alaska
16 hours ago · 16.1 km deep
3.1
178 km E of Atka, Alaska
16 hours ago · 4.9 km deep
3.9
170 km E of Atka, Alaska
22 hours ago · 9.6 km deep
4.2
170 km E of Atka, Alaska
22 hours ago · 10.3 km deep
4.5
164 km E of Atka, Alaska
1 day ago · 10.0 km deep
5.6
173 km E of Atka, Alaska
1 day ago · 14.9 km deep
2.8
83 km WSW of Adak, Alaska
1 day ago · 79.1 km deep
3.5
160 km SW of Adak, Alaska
2 days ago · 10.0 km deep
2.9
Rat Islands, Aleutian Islands, Alaska
2 days ago · 38.6 km deep
2.9
118 km SW of Adak, Alaska
2 days ago · 28.7 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Be Prepared

→ What to do during an earthquake→ Create an emergency plan→ Emergency kit essentials→ See all M4.5+ earthquakes today

Authoritative source: USGS event page (event ID: ak2025zffebl). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, December 23, 2025). M2.1 Earthquake 88 km WSW of Adak, Alaska — December 23, 2025. Retrieved May 23, 2026 from https://www.earthquaketracker.org/earthquakes/event/ak2025zffebl/