2.5

M2.5 Earthquake 224 km SE of Nikolski, Alaska — August 20, 2026

2026-08-20 16:33:47 UTC (1 day ago) · approx. 5:33 AM UTC-11 local

MagnitudeM2.5(ml)
Time16:33 UTC≈ 5:33 AM UTC-11
Depth10.0 kmshallow crustal
Coordinates51.761°, -166.182°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.76°, -166.18°

Earthquake Details

Magnitude
2.5 ml
Depth
10.0 km
shallow crustal
Location
51.7614°N
-166.1821°E

Technical Information

Event ID
us6000tmnq
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
17
Azimuthal Gap
293.0°
Min Station Distance
1.960°
RMS Residual
0.31 sec
Last Updated
2026-08-22 13:11:27 UTC

Nearby Earthquakes (Last 7 Days)

2.7
81 km SE of Unalaska, Alaska
1 day ago · 16.8 km deep
2.6
76 km SSE of Nikolski, Alaska
1 day ago · 4.2 km deep
2.8
108 km S of False Pass, Alaska
1 day ago · 10.0 km deep
4.2
100 km S of False Pass, Alaska
1 day ago · 30.9 km deep
2.5
87 km SSE of Akutan, Alaska
1 day ago · 4.4 km deep
4.3
73 km SSE of Akutan, Alaska
1 day ago · 35.0 km deep
2.9
109 km S of False Pass, Alaska
1 day ago · 22.3 km deep
2.6
101 km S of False Pass, Alaska
1 day ago · 30.4 km deep
2.6
156 km S of False Pass, Alaska
2 days ago · 35.0 km deep
2.5
100 km SSE of Nikolski, Alaska
2 days ago · 1.4 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: us6000tmnq). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 20, 2026). M2.5 Earthquake 224 km SE of Nikolski, Alaska — August 20, 2026. Retrieved August 22, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000tmnq/