M3.3 Depth: 30.1 km

M3.3 Earthquake near SOUTHERN ALASKA (United States)

UTC time: 2025-05-20 15:51:22 UTC Local time:

About this earthquake

A magnitude M3.3 earthquake was recorded near SOUTHERN ALASKA (United States) on May 20, 2025 at 15:51 UTC. The hypocenter lay relatively close to the surface at around 30 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. United States: over the past 24 hours, QuakeMap24 logged 180 earthquakes, the strongest at M3.6.

Details

Magnitude
M3.3
Depth
30.1 km
UTC time
2025-05-20 15:51:22 UTC
Local time
Country
City
Source
emsc
Coordinates
61.78730, -150.08330
Temperature
10.4°C

Map

Depth profile

Depth profile Depth: 30.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 30.1 km
Shallow
30.1 km
30.1 km — deeper than 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: 124 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 127 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 203 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 254 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 266 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 319 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Historic earthquake map · United States

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

View earthquake KPIs, strongest and latest events, and averages for this country.

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