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United States · Alaska

M1.8 Earthquake near Big Lake, Alaska (United States)

UTC time: 2026-09-29 10:22:49 UTC Local time: —

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About this earthquake

On September 29, 2026 at 10:22 UTC, a magnitude M1.8 earthquake occurred near Big Lake, Alaska (United States). With a focal depth of about 65 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 160 earthquakes, the strongest at M4.1.

Details

ID
ebcb1e85e25937fd6845fe14af96fd5a46c91130
Magnitude
M1.8
Depth
64.9 km
UTC time
2026-09-29 10:22:49 UTC
Local time
—
Country
United States
State
Alaska
City
Big Lake
County
Matanuska-Susitna Borough
Village
Big Lake
Source
usgs
Coordinates
61.54700, -149.84700
Temperature
6.0°C

Depth profile

Depth profile Depth: 64.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 64.9 km
Shallow
64.9 km
64.9 km — deeper than the regional average (15.2 km)
Regional average: 15.2 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: 131 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 136 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 196 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 244 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 289 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 311 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Merrill FieldUnited States · MRI · PAMR
    37.2 kmStraight-line distance
  • Wasilla Creek AirparkUnited States · 05AK
    37.4 kmStraight-line distance
  • Ted Stevens Anchorage International AirportUnited States · ANC · PANC
    41.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-29

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

29 Sep 2025 – 29 Sep 2026 · M ≥ 2.0 · 4,155 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

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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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