M1.1 Depth: 35.6 km

M1.1 Earthquake near 4 km NNW of Farmers Loop, Alaska (United States)

UTC time: 2025-09-28 16:37:46 UTC Local time:

About this earthquake

On September 28, 2025 at 16:37 UTC, a magnitude M1.1 earthquake occurred near 4 km NNW of Farmers Loop, Alaska (United States). The hypocenter lay relatively close to the surface at around 36 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 171 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M1.1
Depth
35.6 km
UTC time
2025-09-28 16:37:46 UTC
Local time
Country
City
Source
usgs
Coordinates
64.94570, -147.71960
Temperature
-0.7°C

Map

Depth profile

Depth profile Depth: 35.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35.6 km
Shallow
35.6 km
35.6 km — deeper than the regional average (15.4 km)
Regional average: 15.4 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Buzzard Creek
    Distance: 104 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 375 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Hayes
    Distance: 436 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 465 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Churchill
    Distance: 497 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States

Historic earthquake map · United States

Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

View earthquake KPIs, strongest and latest events, and averages for this country.

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