2.4

M2.4 Earthquake 93 km SSW of Atka, Alaska — March 21, 2026

2026-03-21 23:25:45 UTC (2026-03-21) · approx. 11:25 AM UTC-12 local

MagnitudeM2.4(ml)
Time23:25 UTC≈ 11:25 AM UTC-12
Depth8.3 kmshallow crustal
Coordinates51.384°, -174.571°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 51.38°, -174.57°

Earthquake Details

Magnitude
2.4 ml
Depth
8.3 km
shallow crustal
Location
51.3844°N
-174.5715°E

Technical Information

Event ID
us6000sias
Event Type
earthquake
Status
✓ Reviewed
Significance
89
Stations Used
15
Azimuthal Gap
265.0°
Min Station Distance
0.851°
RMS Residual
0.85 sec
Last Updated
2026-04-30 03:16:09 UTC

Nearby Earthquakes (Last 7 Days)

3.9
295 km WSW of Adak, Alaska
5 hours ago · 25.0 km deep
3.1
149 km SW of Adak, Alaska
8 hours ago · 20.4 km deep
3.4
73 km SSE of Adak, Alaska
8 hours ago · 16.2 km deep
2.5
72 km SSE of Adak, Alaska
1 day ago · 17.2 km deep
2.6
103 km S of Atka, Alaska
1 day ago · 5.5 km deep
3.5
92 km SE of Atka, Alaska
1 day ago · 10.0 km deep
3.9
82 km SE of Atka, Alaska
1 day ago · 23.6 km deep
3.4
Rat Islands, Aleutian Islands, Alaska
1 day ago · 19.9 km deep
2.7
102 km S of Atka, Alaska
1 day ago · 11.7 km deep
3.2
87 km SSW of Adak, Alaska
1 day ago · 1.0 km deep

Actions

View on USGSDid You Feel It?

Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.4 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: us6000sias). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2026, March 21, 2026). M2.4 Earthquake 93 km SSW of Atka, Alaska — March 21, 2026. Retrieved May 13, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000sias/