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M1.7 Depth: 21.4 km

M1.7 Earthquake near 78 km ESE of Ugashik, Alaska (United States)

UTC time: 2025-10-02 04:13:11 UTC Local time: —

About this earthquake

On October 2, 2025 at 04:13 UTC, a magnitude M1.7 earthquake occurred near 78 km ESE of Ugashik, Alaska (United States). With a focal depth of about 21 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 data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 210 earthquakes, the strongest at M3.4.

Details

Magnitude
M1.7
Depth
21.4 km
UTC time
2025-10-02 04:13:11 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.20410, -156.22330
Temperature
10.1°C

Map

Depth profile

Depth profile Depth: 21.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 21.4 km
Shallow
21.4 km
21.4 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

  • Kialagvik
    Distance: 31 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Chiginagak
    Distance: 47 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Ugashik-Peulik
    Distance: 61 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Yantarni
    Distance: 62 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States
  • Ukinrek Maars
    Distance: 72 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Alaska Peninsula Arc at 155.4°W
    Distance: 89 km ·Lava dome ·Elevation: 402 m ·United States

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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