2.9

M2.9 Earthquake 161 km SSW of Atka, Alaska — July 31, 2025

2025-07-31 23:19:39 UTC (2025-07-31) · approx. 11:19 AM UTC-12 local

MagnitudeM2.9(ml)
Time23:19 UTC≈ 11:19 AM UTC-12
Depth10.0 kmshallow crustal
Coordinates50.830°, -174.972°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 50.83°, -174.97°

Earthquake Details

Magnitude
2.9 ml
Depth
10.0 km
shallow crustal
Location
50.8295°N
-174.9716°E

Technical Information

Event ID
us6000rd0z
Event Type
earthquake
Status
✓ Reviewed
Significance
129
Stations Used
14
Azimuthal Gap
240.0°
Min Station Distance
1.303°
RMS Residual
0.45 sec
Last Updated
2025-10-17 22:51:42 UTC

Nearby Earthquakes (Last 7 Days)

3.3
180 km W of Nikolski, Alaska
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2.9
186 km S of Atka, Alaska
23 hours ago · 24.7 km deep
3.1
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2.8
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4.2
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3.7
123 km SSW of Nikolski, Alaska
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4.0
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2 days ago · 10.0 km deep
3.0
53 km SW of Adak, Alaska
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2.5
108 km SE of Adak, Alaska
3 days ago · 21.5 km deep
2.5
128 km W of Adak, Alaska
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Actions

View on USGSDid You Feel It?

Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.9 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000rd0z). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, July 31, 2025). M2.9 Earthquake 161 km SSW of Atka, Alaska — July 31, 2025. Retrieved October 17, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000rd0z/