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M4.0 Depth: 15.4 km

M4.0 Earthquake near CENTRAL ALASKA (United States)

UTC time: 2025-06-23 23:28:10 UTC Local time: —

About this earthquake

On June 23, 2025 at 23:28 UTC, a magnitude M4.0 earthquake occurred near CENTRAL ALASKA (United States). The hypocenter lay relatively close to the surface at around 15 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by EMSC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 189 earthquakes, the strongest at M4.4.

Details

Magnitude
M4.0
Depth
15.4 km
UTC time
2025-06-23 23:28:10 UTC
Local time
—
Country
United States
City
Alaska
Source
emsc
Coordinates
63.22440, -151.84690
Temperature
14.1°C

Map

Depth profile

Depth profile Depth: 15.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.4 km
Shallow
15.4 km
15.4 km — close to 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

  • Hayes
    Distance: 179 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Buzzard Creek
    Distance: 193 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Spurr
    Distance: 215 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 308 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 361 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Wrangell
    Distance: 422 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·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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