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M4.0 Depth: 40.3 km

M4.0 Earthquake near KENAI PENINSULA, ALASKA (United States)

UTC time: 2025-08-07 23:45:24 UTC Local time: —

About this earthquake

A magnitude M4.0 earthquake was recorded near KENAI PENINSULA, ALASKA (United States) on August 7, 2025 at 23:45 UTC. With a focal depth of about 40 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by EMSC. United States: 154 earthquakes were recorded in the past 24 hours, the strongest reaching M4.1.

Details

Magnitude
M4.0
Depth
40.3 km
UTC time
2025-08-07 23:45:24 UTC
Local time
—
Country
United States
City
Alaska
Source
emsc
Coordinates
60.03100, -151.43770
Temperature
15.9°C

Map

Depth profile

Depth profile Depth: 40.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40.3 km
Shallow
40.3 km
40.3 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

  • Redoubt
    Distance: 88 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 92 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 134 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 148 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Douglas
    Distance: 177 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Hayes
    Distance: 187 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·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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