2.1

M2.1 Earthquake 54 km SSE of Adak, Alaska — August 11, 2026

2026-08-11 18:40:49 UTC (5 days ago) · approx. 6:40 AM UTC-12 local

MagnitudeM2.1(ml)
Time18:40 UTC≈ 6:40 AM UTC-12
Depth25.6 kmshallow crustal
Coordinates51.428°, -176.306°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.43°, -176.31°

Earthquake Details

Magnitude
2.1 ml
Depth
25.6 km
shallow crustal
Location
51.4280°N
-176.3060°E

Technical Information

Event ID
aka2026pvmfzj
Event Type
earthquake
Status
✓ Reviewed
Significance
68
Stations Used
16
Azimuthal Gap
230.0°
Min Station Distance
0.400°
RMS Residual
0.50 sec
Last Updated
2026-08-11 22:19:36 UTC

Nearby Earthquakes (Last 7 Days)

3.0
46 km S of Atka, Alaska
1 day ago · 93.0 km deep
3.4
57 km SSE of Adak, Alaska
1 day ago · 18.4 km deep
2.7
170 km S of Atka, Alaska
1 day ago · 20.0 km deep
3.1
77 km W of Nikolski, Alaska
1 day ago · 148.0 km deep
2.8
Rat Islands, Aleutian Islands, Alaska
1 day ago · 39.4 km deep
2.6
98 km SW of Atka, Alaska
2 days ago · 17.3 km deep
3.0
163 km SW of Nikolski, Alaska
2 days ago · 5.6 km deep
2.7
239 km WSW of Adak, Alaska
2 days ago · 10.4 km deep
3.0
240 km WSW of Adak, Alaska
2 days ago · 12.7 km deep
3.0
182 km E of Atka, Alaska
2 days ago · 20.0 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: aka2026pvmfzj). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 11, 2026). M2.1 Earthquake 54 km SSE of Adak, Alaska — August 11, 2026. Retrieved August 11, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026pvmfzj/