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United States · Alaska

M4.7 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-03 15:42:01 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.7
Depth
10.0 km
Source
SERBIA_RSZ

Alaska · Unorganized Borough

Country overview

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About this earthquake

On September 3, 2026 at 15:42 UTC, a magnitude M4.7 earthquake occurred near Unorganized Borough, Alaska (United States). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by Seismological Survey of Serbia and cross-checked across seismological networks. United States: 191 earthquakes were recorded in the past 24 hours, the strongest reaching M4.2.

Details

ID
a9488e09cb90bf88dee793dc8b6f83a45a9a7209
Magnitude
M4.7
Depth
10.0 km
UTC time
2026-09-03 15:42:01 UTC
Local time
—
Country
United States
State
Alaska
City
Unorganized Borough
County
Unorganized Borough
Source
serbia_rsz
Coordinates
52.83000, -169.76000
Temperature
10.0°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower 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

Ground shaking

II
Weak · Intensity (MMI) II
Felt by a few, no damage.

Tectonic context

Located on the North America Plate.
Near the boundary North America ↔ Pacific · about 133 km away

Volcanoes nearby

  • Tana
    Distance: 1 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Cleveland
    Distance: 12 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Kagamil
    Distance: 16 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States
  • Carlisle
    Distance: 21 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Herbert
    Distance: 26 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Uliaga
    Distance: 26 km ·Stratovolcano ·Elevation: 888 m ·United States

Alaska

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 653 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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Country statistics · United States

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

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