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M2.3 Depth: 30.6 km

M2.3 Earthquake near 48 km N of Valdez, Alaska (United States)

UTC time: 2025-08-11 10:30:30 UTC Local time: —

About this earthquake

On August 11, 2025 at 10:30 UTC, a magnitude M2.3 earthquake occurred near 48 km N of Valdez, Alaska (United States). The hypocenter lay relatively close to the surface at around 31 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: over the past 24 hours, QuakeMap24 logged 178 earthquakes, the strongest at M4.1.

Details

Magnitude
M2.3
Depth
30.6 km
UTC time
2025-08-11 10:30:30 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.56660, -146.43660
Temperature
2.4°C

Map

Depth profile

Depth profile Depth: 30.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 30.6 km
Shallow
30.6 km
30.6 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

  • Wrangell
    Distance: 136 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Churchill
    Distance: 250 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Buzzard Creek
    Distance: 295 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Spurr
    Distance: 310 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 316 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 360 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·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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