2.6

M2.6 Earthquake 34 km SW of Unalaska, Alaska — August 18, 2025

2025-08-18 21:16:00 UTC (2025-08-18) · approx. 10:16 AM UTC-11 local

MagnitudeM2.6(ml)
Time21:16 UTC≈ 10:16 AM UTC-11
Depth78.7 kmintermediate depth
Coordinates53.671°, -166.933°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 53.67°, -166.93°

Earthquake Details

Magnitude
2.6 ml
Depth
78.7 km
intermediate depth
Location
53.6706°N
-166.9333°E

Technical Information

Event ID
us6000ridl
Event Type
earthquake
Status
✓ Reviewed
Significance
104
Stations Used
19
Azimuthal Gap
181.0°
Min Station Distance
0.127°
RMS Residual
0.45 sec
Last Updated
2025-11-04 16:44:08 UTC

Nearby Earthquakes (Last 7 Days)

3.6
87 km SE of Unalaska, Alaska
12 hours ago · 18.0 km deep
3.7
123 km SSW of Nikolski, Alaska
20 hours ago · 10.0 km deep
4.0
161 km S of Nikolski, Alaska
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2.5
124 km SE of Unalaska, Alaska
1 day ago · 9.5 km deep
3.8
86 km SSW of Unalaska, Alaska
2 days ago · 39.8 km deep
3.0
72 km SE of Akutan, Alaska
2 days ago · 35.0 km deep
2.6
98 km S of Sand Point, Alaska
2 days ago · 4.9 km deep
3.7
35 km SW of False Pass, Alaska
2 days ago · 141.8 km deep
2.9
111 km WSW of Nikolski, Alaska
4 days ago · 70.5 km deep
2.8
94 km ESE of Akutan, Alaska
4 days ago · 21.4 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.6 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: us6000ridl). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, August 18, 2025). M2.6 Earthquake 34 km SW of Unalaska, Alaska — August 18, 2025. Retrieved November 4, 2025 from https://www.earthquaketracker.org/earthquakes/event/us6000ridl/