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
2026-06-04 18:37:57 UTC

Nearby Earthquakes (Last 7 Days)

3.6
69 km SSE of Adak, Alaska
1 day ago · 10.0 km deep
2.6
Rat Islands, Aleutian Islands, Alaska
1 day ago · 51.0 km deep
2.7
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2.5
54 km SSW of Atka, Alaska
2 days ago · 7.6 km deep
2.5
133 km SW of Adak, Alaska
2 days ago · 28.3 km deep
3.0
Rat Islands, Aleutian Islands, Alaska
2 days ago · 18.6 km deep
3.2
32 km SW of Adak, Alaska
2 days ago · 75.1 km deep
2.6
66 km SE of Adak, Alaska
2 days ago · 28.3 km deep
2.5
238 km W of Adak, Alaska
2 days ago · 183.8 km deep
3.0
105 km SSW of Nikolski, Alaska
2 days ago · 22.5 km deep

Actions

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Location

Alaska
View all Alaska earthquakes

Understanding This Data

Magnitude 2.4 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

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 June 4, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000sias/