2.8

M2.8 Earthquake 28 km N of Chalkyitsik, Alaska — September 28, 2025

2025-09-28 23:06:42 UTC (2025-09-28) · approx. 1:06 PM UTC-10 local

MagnitudeM2.8(ml)
Time23:06 UTC≈ 1:06 PM UTC-10
Depth13.9 kmshallow crustal
Coordinates66.913°, -143.745°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 66.91°, -143.75°

Earthquake Details

Magnitude
2.8 ml
Depth
13.9 km
shallow crustal
Location
66.9129°N
-143.7454°E

Technical Information

Event ID
us6000rdhy
Event Type
earthquake
Status
✓ Reviewed
Significance
121
Stations Used
30
Azimuthal Gap
122.0°
Min Station Distance
0.612°
RMS Residual
0.54 sec
Last Updated
2025-12-11 21:40:47 UTC

Nearby Earthquakes (Last 7 Days)

2.7
46 km SSW of Manley Hot Springs, Alaska
1 hour ago · 10.5 km deep
3.2
114 km SW of Inuvik, Canada
10 hours ago · 14.9 km deep
2.8
88 km NNW of Alatna, Alaska
20 hours ago · 10.0 km deep
3.5
31 km SSW of Manley Hot Springs, Alaska
1 day ago · 0.7 km deep
2.5
37 km SSW of Dry Creek, Alaska
3 days ago · 0.1 km deep
2.6
36 km SSW of Dry Creek, Alaska
4 days ago · 0.4 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: us6000rdhy). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2025, September 28, 2025). M2.8 Earthquake 28 km N of Chalkyitsik, Alaska — September 28, 2025. Retrieved May 28, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000rdhy/