United States · Alaska

M1.5 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-09-06 11:56:17 UTC Local time:
Magnitude
M1.5
Depth
30.2 km
Source
USGS

Alaska · Matanuska-Susitna Borough

Country overview

Map

About this earthquake

A magnitude M1.5 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on September 6, 2026 at 11:56 UTC. The hypocenter lay relatively close to the surface at around 30 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 149 earthquakes, the strongest at M4.0.

Depth profile

Depth profile Depth: 30.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 30.2 km
Shallow
30.2 km
30.2 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

  • Distance: 127 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Distance: 133 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Distance: 193 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Distance: 241 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Distance: 289 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Distance: 310 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Merrill FieldUnited States · MRI · PAMR
    37.6 kmStraight-line distance
  • Wasilla Creek AirparkUnited States · 05AK
    40.5 kmStraight-line distance
  • Ted Stevens Anchorage International AirportUnited States · ANC · PANC
    41.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

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

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 4,081 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

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.

Share