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United States · Alaska

M2.1 Earthquake near Kenai Peninsula Borough, Alaska (United States)

UTC time: 2026-09-12 17:47:28 UTC Local time: —
Magnitude
M2.1
Depth
29.7 km
Source
USGS

Alaska · Kenai Peninsula Borough

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About this earthquake

On September 12, 2026 at 17:47 UTC, a magnitude M2.1 earthquake occurred near Kenai Peninsula Borough, Alaska (United States). 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 data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 275 earthquakes, the strongest at M3.9.

Depth profile

Depth profile Depth: 29.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 29.7 km
Shallow
29.7 km
29.7 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: 136 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 136 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 167 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Hayes
    Distance: 168 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Augustine
    Distance: 221 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 264 km ·Stratovolcano ·Elevation: 2'140 m ·United States

Alaska

Context for this earthquake

12 Sep 2025 – 12 Sep 2026 · M ≥ 2.0 · 4,107 Catalogue entries

Of 4,106 other entries for this area and period, 2,886 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · United States

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Country statistics · United States

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View earthquake KPIs, strongest and latest events, and averages for this country.

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