2.5

M2.5 Earthquake 84 km SSW of Unalaska, Alaska — April 21, 2026

2026-04-21 18:00:35 UTC (2026-04-21) · approx. 7:00 AM UTC-11 local

MagnitudeM2.5(ml)
Time18:00 UTC≈ 7:00 AM UTC-11
Depth4.2 kmshallow crustal
Coordinates53.238°, -167.218°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 53.24°, -167.22°

Earthquake Details

Magnitude
2.5 ml
Depth
4.2 km
shallow crustal
Location
53.2380°N
-167.2180°E

Technical Information

Event ID
aka2026hvhrzh
Event Type
earthquake
Status
✓ Reviewed
Significance
96
Stations Used
17
Azimuthal Gap
234.0°
Min Station Distance
0.500°
RMS Residual
0.30 sec
Last Updated
2026-04-22 17:16:47 UTC

Nearby Earthquakes (Last 7 Days)

3.8
140 km E of Atka, Alaska
20 hours ago · 10.0 km deep
2.8
99 km ESE of Atka, Alaska
1 day ago · 10.0 km deep
2.8
81 km S of Sand Point, Alaska
1 day ago · 35.0 km deep
2.6
34 km SSE of False Pass, Alaska
2 days ago · 6.6 km deep
3.5
161 km SW of Nikolski, Alaska
3 days ago · 9.1 km deep
3.5
157 km SW of Nikolski, Alaska
3 days ago · 15.2 km deep
2.7
200 km SE of Akutan, Alaska
3 days ago · 20.0 km deep
2.6
108 km S of False Pass, Alaska
3 days ago · 10.0 km deep
3.2
180 km E of Atka, Alaska
4 days ago · 9.7 km deep
2.9
105 km SSE of King Cove, Alaska
4 days ago · 35.0 km deep

Actions

View on USGSDid You Feel It?

Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.5 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: aka2026hvhrzh). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, April 21, 2026). M2.5 Earthquake 84 km SSW of Unalaska, Alaska — April 21, 2026. Retrieved April 22, 2026 from https://www.earthquaketracker.org/earthquakes/event/aka2026hvhrzh/