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)

3.7
65 km WSW of Atka, Alaska
2 days ago · 8.2 km deep
3.5
199 km WSW of Adak, Alaska
2 days ago · 8.7 km deep
4.0
72 km SSW of Atka, Alaska
2 days ago · 19.8 km deep
3.0
229 km ESE of Attu Station, Alaska
2 days ago · 5.0 km deep
3.0
231 km ESE of Attu Station, Alaska
2 days ago · 3.6 km deep
2.5
24 km SSW of Atka, Alaska
2 days ago · 175.3 km deep
2.8
233 km ESE of Attu Station, Alaska
2 days ago · 4.3 km deep
3.1
230 km ESE of Attu Station, Alaska
2 days ago · 2.9 km deep
2.6
228 km ESE of Attu Station, Alaska
2 days ago · 7.5 km deep
4.1
235 km ESE of Attu Station, Alaska
2 days ago · 34.5 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/