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)

3.7
Rat Islands, Aleutian Islands, Alaska
13 hours ago · 56.0 km deep
3.4
160 km WSW of Adak, Alaska
19 hours ago · 35.0 km deep
3.1
113 km SW of Adak, Alaska
23 hours ago · 35.0 km deep
2.7
243 km WSW of Adak, Alaska
1 day ago · 9.1 km deep
2.5
85 km WSW of Atka, Alaska
1 day ago · 108.0 km deep
3.4
Rat Islands, Aleutian Islands, Alaska
1 day ago · 20.0 km deep
3.0
134 km SW of Adak, Alaska
1 day ago · 14.6 km deep
3.1
257 km SSW of Adak, Alaska
1 day ago · 20.0 km deep
2.5
55 km SE of Adak, Alaska
1 day ago · 37.2 km deep
2.7
111 km SSW of Nikolski, Alaska
1 day ago · 10.0 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: 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/