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M1.0 Depth: 3.4 km

M1.0 Earthquake near 15 km S of Tok, Alaska (United States)

UTC time: 2025-07-20 01:57:32 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near 15 km S of Tok, Alaska (United States) on July 20, 2025 at 01:57 UTC. With a focal depth of about 3 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 210 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

Details

Magnitude
M1.0
Depth
3.4 km
UTC time
2025-07-20 01:57:32 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
63.20210, -143.03070
Temperature
17.8°C

Map

Depth profile

Depth profile Depth: 3.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 3.4 km
Shallow
3.4 km
3.4 km — shallower than the regional average (15.3 km)
Regional average: 15.3 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

  • Wrangell
    Distance: 142 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Churchill
    Distance: 213 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Buzzard Creek
    Distance: 283 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Fort Selkirk
    Distance: 286 km ·Volcanic field ·Elevation: 1'239 m ·Canada

Historic earthquake map · United States

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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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