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United States

M1.5 Earthquake near 13 km WNW of Susitna, Alaska (United States)

UTC time: 2025-04-23 09:18:42 UTC Local time: —

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About this earthquake

A magnitude M1.5 earthquake was recorded near 13 km WNW of Susitna, Alaska (United States) on April 23, 2025 at 09:18 UTC. The hypocenter lay relatively close to the surface at around 59 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: 148 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
2c7bac34282a2270e1bbd62b123812c9cee80697
Magnitude
M1.5
Depth
59.0 km
UTC time
2025-04-23 09:18:42 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
61.57040, -150.75570
Temperature
6.7°C

Depth profile

Depth profile Depth: 59 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 59 km
Shallow
59 km
59 km — deeper 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

  • Spurr
    Distance: 85 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 88 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 161 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 213 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 286 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Buzzard Creek
    Distance: 301 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States

United States

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 11,559 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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Historic earthquake map · United States

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Country statistics · United States

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