2.5

M2.5 Earthquake 164 km SSE of Atka, Alaska — August 17, 2025

2025-08-17 23:43:07 UTC (2025-08-17) · approx. 11:43 AM UTC-12 local

MagnitudeM2.5(ml)
Time23:43 UTC≈ 11:43 AM UTC-12
Depth3.8 kmshallow crustal
Coordinates50.784°, -173.479°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 50.78°, -173.48°

Earthquake Details

Magnitude
2.5 ml
Depth
3.8 km
shallow crustal
Location
50.7836°N
-173.4786°E

Technical Information

Event ID
ak025aj40oed
Event Type
earthquake
Status
✓ Reviewed
Significance
96
RMS Residual
1.03 sec
Last Updated
2025-10-20 18:14:36 UTC

Nearby Earthquakes (Last 7 Days)

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3.0
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3.1
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2.8
138 km SSE of Atka, Alaska
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2.6
32 km SSE of Nikolski, Alaska
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3.2
156 km SW of Adak, Alaska
3 days ago · 12.9 km deep
3.0
111 km NNE of Atka, Alaska
4 days ago · 211.1 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: ak025aj40oed). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, August 17, 2025). M2.5 Earthquake 164 km SSE of Atka, Alaska — August 17, 2025. Retrieved October 20, 2025 from https://www.earthquaketracker.org/earthquakes/event/ak025aj40oed/