2.5

M2.5 Earthquake 52 km WNW of Nanwalek, Alaska — December 28, 2025

2025-12-28 21:42:59 UTC (2025-12-28) · approx. 11:42 AM UTC-10 local

MagnitudeM2.5(ml)
Time21:42 UTC≈ 11:42 AM UTC-10
Depth83.9 kmintermediate depth
Coordinates59.608°, -152.700°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 59.61°, -152.70°

Earthquake Details

Magnitude
2.5 ml
Depth
83.9 km
intermediate depth
Location
59.6080°N
-152.7000°E

Technical Information

Event ID
ak2025zoihti
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
44
Azimuthal Gap
89.0°
Min Station Distance
0.300°
RMS Residual
0.50 sec
Last Updated
2026-04-01 22:48:31 UTC

Nearby Earthquakes (Last 7 Days)

3.5
73 km NNE of Petersville, Alaska
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3.3
113 km E of Chignik, Alaska
8 hours ago · 53.2 km deep
2.5
70 km SSE of Kokhanok, Alaska
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3.0
26 km SW of Tatitlek, Alaska
19 hours ago · 19.5 km deep
3.1
48 km SSE of Nelchina, Alaska
22 hours ago · 8.5 km deep
2.6
48 km W of Happy Valley, Alaska
1 day ago · 104.1 km deep
2.6
28 km NNE of Aleneva, Alaska
1 day ago · 52.6 km deep
3.2
268 km SE of Chiniak, Alaska
1 day ago · 5.0 km deep
2.5
86 km E of Chignik, Alaska
1 day ago · 5.6 km deep
2.9
12 km WNW of Eureka Roadhouse, Alaska
1 day ago · 0.1 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: ak2025zoihti). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, December 28, 2025). M2.5 Earthquake 52 km WNW of Nanwalek, Alaska — December 28, 2025. Retrieved April 1, 2026 from https://www.earthquaketracker.org/earthquakes/event/ak2025zoihti/