Back to map
United States

M3.0 Earthquake near 27 km NNE of Old Harbor, Alaska (United States)

UTC time: 2025-10-12 13:28:54 UTC Local time: —

Map

About this earthquake

A magnitude M3.0 earthquake was recorded near 27 km NNE of Old Harbor, Alaska (United States) on October 12, 2025 at 13:28 UTC. With a focal depth of about 33 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 158 earthquakes, the strongest at M3.3.

Details

ID
787f8d911dba52f79cec0f0e0031b8ebf3ec4ac5
Magnitude
M3.0
Depth
33.3 km
UTC time
2025-10-12 13:28:54 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.43380, -153.12850
Temperature
9.9°C

Depth profile

Depth profile Depth: 33.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 33.3 km
Shallow
33.3 km
33.3 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

  • Steller
    Distance: 133 km ·Stratovolcano ·Elevation: 2'279 m ·United States
  • Denison
    Distance: 134 km ·Stratovolcano ·Elevation: 2'287 m ·United States
  • Kukak
    Distance: 134 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Snowy Mountain
    Distance: 136 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Kaguyak
    Distance: 141 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Katmai
    Distance: 143 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Old Harbor AirportUnited States · OLH
    25.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-07

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Alaska

Context for this earthquake

07 Sep 2025 – 07 Sep 2026 · M ≥ 3.0 · 652 Catalogue entries

Of 651 other entries for this area and period, 548 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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.

Share