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M2.5 Depth: 19.3 km

M2.5 Earthquake near 4 km SW of Big Lake, Alaska (United States)

UTC time: 2025-07-05 02:40:43 UTC Local time: —

About this earthquake

On July 5, 2025 at 02:40 UTC, a magnitude M2.5 earthquake occurred near 4 km SW of Big Lake, Alaska (United States). With a focal depth of about 19 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. 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 217 earthquakes, the strongest at M3.2.

Details

Magnitude
M2.5
Depth
19.3 km
UTC time
2025-07-05 02:40:43 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.49490, -150.00850
Temperature
18.7°C

Map

Depth profile

Depth profile Depth: 19.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 19.3 km
Shallow
19.3 km
19.3 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

  • Spurr
    Distance: 121 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 128 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 185 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 233 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 296 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 303 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·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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