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M1.2 Depth: 7.8 km

M1.2 Earthquake near 59 km E of Healy, Alaska (United States)

UTC time: 2025-09-11 21:29:54 UTC Local time: —

About this earthquake

On September 11, 2025 at 21:29 UTC, a magnitude M1.2 earthquake occurred near 59 km E of Healy, Alaska (United States). The hypocenter lay relatively close to the surface at around 8 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 179 earthquakes, the strongest at M4.8.

Details

Magnitude
M1.2
Depth
7.8 km
UTC time
2025-09-11 21:29:54 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
63.91500, -147.76040
Temperature
4.1°C

Map

Depth profile

Depth profile Depth: 7.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.8 km
Shallow
7.8 km
7.8 km — shallower 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

  • Buzzard Creek
    Distance: 37 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 284 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Hayes
    Distance: 346 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 370 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Churchill
    Distance: 417 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Redoubt
    Distance: 460 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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