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M1.6 Depth: 33.5 km

M1.6 Earthquake near 35 km ESE of Susitna North, Alaska (United States)

UTC time: 2025-10-18 18:42:41 UTC Local time: —

About this earthquake

On October 18, 2025 at 18:42 UTC, a magnitude M1.6 earthquake occurred near 35 km ESE of Susitna North, Alaska (United States). With a focal depth of about 34 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 208 earthquakes, the strongest at M5.5.

Details

Magnitude
M1.6
Depth
33.5 km
UTC time
2025-10-18 18:42:41 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.07290, -149.19360
Temperature
-1.2°C

Map

Depth profile

Depth profile Depth: 33.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 33.5 km
Shallow
33.5 km
33.5 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

  • Hayes
    Distance: 175 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 183 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Buzzard Creek
    Distance: 224 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Redoubt
    Distance: 259 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Wrangell
    Distance: 270 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Iliamna
    Distance: 309 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·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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