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M1.8 Depth: 15.5 km

M1.8 Earthquake near 23 km WSW of Trapper Creek, Alaska (United States)

UTC time: 2025-09-29 04:07:41 UTC Local time: —

About this earthquake

On September 29, 2025 at 04:07 UTC, a magnitude M1.8 earthquake occurred near 23 km WSW of Trapper Creek, Alaska (United States). The hypocenter lay relatively close to the surface at around 16 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 178 earthquakes, the strongest at M3.4.

Details

Magnitude
M1.8
Depth
15.5 km
UTC time
2025-09-29 04:07:41 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
62.22960, -150.63850
Temperature
4.9°C

Map

Depth profile

Depth profile Depth: 15.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.5 km
Shallow
15.5 km
15.5 km — close to 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: 114 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 134 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 224 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 232 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Iliamna
    Distance: 278 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 345 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·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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