2.1

M2.1 Earthquake 78 km SSE of Adak, Alaska — August 29, 2026

2026-08-29 18:14:21 UTC (2026-08-29) · approx. 6:14 AM UTC-12 local

MagnitudeM2.1(ml)
Time18:14 UTC≈ 6:14 AM UTC-12
Depth15.4 kmshallow crustal
Coordinates51.183°, -176.402°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.18°, -176.40°

Earthquake Details

Magnitude
2.1 ml
Depth
15.4 km
shallow crustal
Location
51.1830°N
-176.4020°E

Technical Information

Event ID
aka2026rcrthi
Event Type
earthquake
Status
✓ Reviewed
Significance
68
Stations Used
16
Azimuthal Gap
242.0°
Min Station Distance
0.700°
RMS Residual
0.40 sec
Last Updated
2026-09-01 00:15:53 UTC

Nearby Earthquakes (Last 7 Days)

2.6
91 km SSW of Nikolski, Alaska
6 hours ago · 4.7 km deep
2.6
Rat Islands, Aleutian Islands, Alaska
1 day ago · 3.5 km deep
3.2
87 km NE of Adak, Alaska
1 day ago · 246.2 km deep
3.4
120 km SW of Nikolski, Alaska
2 days ago · 19.4 km deep
3.5
117 km SW of Nikolski, Alaska
2 days ago · 32.3 km deep
3.2
120 km SW of Nikolski, Alaska
2 days ago · 20.4 km deep
3.8
115 km SW of Nikolski, Alaska
2 days ago · 24.5 km deep
3.6
115 km SW of Nikolski, Alaska
2 days ago · 43.0 km deep
2.8
148 km SW of Adak, Alaska
3 days ago · 19.3 km deep
4.2
30 km S of Adak, Alaska
3 days ago · 74.5 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: aka2026rcrthi). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, August 29, 2026). M2.1 Earthquake 78 km SSE of Adak, Alaska — August 29, 2026. Retrieved September 1, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026rcrthi/