2.8

M2.8 Earthquake 83 km WSW of Adak, Alaska — May 21, 2026

2026-05-21 22:01:22 UTC (1 day ago) · approx. 10:01 AM UTC-12 local

MagnitudeM2.8(ml)
Time22:01 UTC≈ 10:01 AM UTC-12
Depth79.1 kmintermediate depth
Coordinates51.648°, -177.780°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.65°, -177.78°

Earthquake Details

Magnitude
2.8 ml
Depth
79.1 km
intermediate depth
Location
51.6480°N
-177.7800°E

Technical Information

Event ID
aka2026kahdgn
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Stations Used
25
Azimuthal Gap
187.0°
Min Station Distance
0.100°
RMS Residual
0.30 sec
Last Updated
2026-05-23 02:38:34 UTC

Nearby Earthquakes (Last 7 Days)

3.1
64 km S of Adak, Alaska
6 hours ago · 16.1 km deep
3.1
178 km E of Atka, Alaska
6 hours ago · 4.9 km deep
4.0
167 km E of Atka, Alaska
12 hours ago · 5.0 km deep
4.2
170 km E of Atka, Alaska
12 hours ago · 10.3 km deep
4.5
164 km E of Atka, Alaska
19 hours ago · 10.0 km deep
5.6
173 km E of Atka, Alaska
20 hours ago · 14.9 km deep
3.5
160 km SW of Adak, Alaska
1 day ago · 10.0 km deep
2.9
Rat Islands, Aleutian Islands, Alaska
1 day ago · 38.6 km deep
2.9
118 km SW of Adak, Alaska
1 day ago · 28.7 km deep
3.3
81 km ESE of Atka, Alaska
2 days ago · 60.1 km deep

Actions

View on USGSDid You Feel It?

Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.8 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Be Prepared

→ What to do during an earthquake→ Create an emergency plan→ Emergency kit essentials→ See all M4.5+ earthquakes today

Authoritative source: USGS event page (event ID: aka2026kahdgn). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, May 21, 2026). M2.8 Earthquake 83 km WSW of Adak, Alaska — May 21, 2026. Retrieved May 23, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026kahdgn/