2.9

M2.9 Earthquake 217 km W of Adak, Alaska — August 21, 2025

2025-08-21 19:53:58 UTC (2025-08-21) · approx. 7:53 AM UTC-12 local

MagnitudeM2.9(ml)
Time19:53 UTC≈ 7:53 AM UTC-12
Depth123.3 kmintermediate depth
Coordinates51.889°, -179.793°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.89°, -179.79°

Earthquake Details

Magnitude
2.9 ml
Depth
123.3 km
intermediate depth
Location
51.8894°N
-179.7926°E

Technical Information

Event ID
us6000rl6i
Event Type
earthquake
Status
✓ Reviewed
Significance
129
Stations Used
19
Azimuthal Gap
156.0°
Min Station Distance
0.326°
RMS Residual
0.33 sec
Last Updated
2025-11-12 16:25:43 UTC

Nearby Earthquakes (Last 7 Days)

4.4
275 km W of Adak, Alaska
15 hours ago · 95.2 km deep
4.2
167 km S of Adak, Alaska
1 day ago · 10.0 km deep
3.1
123 km WSW of Adak, Alaska
3 days ago · 35.0 km deep
2.6
73 km SW of Atka, Alaska
3 days ago · 68.4 km deep
2.7
115 km SW of Adak, Alaska
3 days ago · 44.1 km deep
2.5
73 km SSW of Adak, Alaska
3 days ago · 35.0 km deep
2.6
51 km ENE of Adak, Alaska
3 days ago · 146.5 km deep
4.0
244 km ESE of Attu Station, Alaska
3 days ago · 32.1 km deep
3.5
Rat Islands, Aleutian Islands, Alaska
4 days ago · 105.5 km deep
2.5
128 km SW of Adak, Alaska
5 days ago · 27.8 km deep

Actions

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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: us6000rl6i). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, August 21, 2025). M2.9 Earthquake 217 km W of Adak, Alaska — August 21, 2025. Retrieved November 12, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000rl6i/