2.1

M2.1 Earthquake 56 km WSW of Unalaska, Alaska — December 16, 2025

2025-12-16 21:14:52 UTC (2025-12-16) · approx. 10:14 AM UTC-11 local

MagnitudeM2.1(ml)
Time21:14 UTC≈ 10:14 AM UTC-11
Depth78.3 kmintermediate depth
Coordinates53.617°, -167.269°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 53.62°, -167.27°

Earthquake Details

Magnitude
2.1 ml
Depth
78.3 km
intermediate depth
Location
53.6170°N
-167.2690°E

Technical Information

Event ID
ak2025ysgrti
Event Type
earthquake
Status
✓ Reviewed
Significance
68
Stations Used
12
Azimuthal Gap
184.0°
Min Station Distance
0.300°
RMS Residual
0.30 sec
Last Updated
2026-01-27 12:53:17 UTC

Nearby Earthquakes (Last 7 Days)

4.0
89 km SSW of Nikolski, Alaska
2 days ago · 12.5 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 →

Authoritative source: USGS event page (event ID: ak2025ysgrti). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, December 16, 2025). M2.1 Earthquake 56 km WSW of Unalaska, Alaska — December 16, 2025. Retrieved January 27, 2026 from https://www.earthquaketracker.org/earthquakes/event/ak2025ysgrti/