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United States

M1.9 Earthquake near 43 km N of Petersville, Alaska (United States)

UTC time: 2025-04-23 10:36:07 UTC Local time: —

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About this earthquake

A magnitude M1.9 earthquake was recorded near 43 km N of Petersville, Alaska (United States) on April 23, 2025 at 10:36 UTC. The earthquake originated at an intermediate depth of about 75 km. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 148 earthquakes, the strongest at M4.0.

Details

ID
2868abd6c003b573e73ebdb3ce0132e835ecc367
Magnitude
M1.9
Depth
74.6 km
UTC time
2025-04-23 10:36:07 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
62.88140, -150.70500
Temperature
-9.0°C

Depth profile

Depth profile Depth: 74.6 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 74.6 km
Intermediate
74.6 km
74.6 km — deeper than the regional average (15.3 km)
Regional average: 15.3 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Hayes
    Distance: 164 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Buzzard Creek
    Distance: 173 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Spurr
    Distance: 193 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 287 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 341 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 357 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·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.

Open seismic profile

Historic earthquake map · United States

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Country statistics · United States

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