Back to map
United States · Alaska

M1.3 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-09-28 09:19:48 UTC Local time: —
Magnitude
M1.3
Depth
83.7 km
Source
USGS

Alaska · Matanuska-Susitna Borough

Country overview

Map

About this earthquake

A magnitude M1.3 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on September 28, 2026 at 09:19 UTC. The earthquake originated at an intermediate depth of about 84 km. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 156 earthquakes were recorded in the past 24 hours, the strongest reaching M3.5.

Depth profile

Depth profile Depth: 83.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 83.7 km
Intermediate
83.7 km
83.7 km — deeper than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Spurr
    Distance: 174 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 175 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 240 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Buzzard Creek
    Distance: 261 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 268 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Iliamna
    Distance: 288 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Wasilla Creek AirparkUnited States · 05AK
    9.2 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-28

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

28 Sep 2025 – 28 Sep 2026 · M ≥ 2.0 · 4,156 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

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