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United States · Alaska

M2.1 Earthquake near Matanuska-Susitna Borough, Alaska (United States)

UTC time: 2026-09-15 19:28:14 UTC Local time: —
Magnitude
M2.1
Depth
33.2 km
Source
USGS

Alaska · Matanuska-Susitna Borough

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About this earthquake

A magnitude M2.1 earthquake was recorded near Matanuska-Susitna Borough, Alaska (United States) on September 15, 2026 at 19:28 UTC. The hypocenter lay relatively close to the surface at around 33 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 170 earthquakes, the strongest at M4.8.

Depth profile

Depth profile Depth: 33.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 33.2 km
Shallow
33.2 km
33.2 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: 126 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 132 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 189 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 237 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 295 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 306 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
    32.3 kmStraight-line distance
  • Ted Stevens Anchorage International AirportUnited States · ANC · PANC
    35.9 kmStraight-line distance
  • Wasilla Creek AirparkUnited States · 05AK
    43.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-15

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

15 Sep 2025 – 15 Sep 2026 · M ≥ 2.0 · 4,097 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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