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M4.1 Depth: 14.9 km

M4.1 Earthquake near CENTRAL ALASKA (United States)

UTC time: 2025-08-20 20:35:27 UTC Local time: —

About this earthquake

On August 20, 2025 at 20:35 UTC, a magnitude M4.1 earthquake occurred near CENTRAL ALASKA (United States). The hypocenter lay relatively close to the surface at around 15 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by EMSC. United States: 203 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M4.1
Depth
14.9 km
UTC time
2025-08-20 20:35:27 UTC
Local time
—
Country
United States
City
Alaska
Source
emsc
Coordinates
64.75590, -149.14770
Temperature
16.0°C

Map

Depth profile

Depth profile Depth: 14.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14.9 km
Shallow
14.9 km
14.9 km — close to 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: 84 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 383 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Wrangell
    Distance: 398 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Spurr
    Distance: 415 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States

Historic earthquake map · United States

Open history map
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

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

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