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M5.2 Depth: 10.0 km

M5.2 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-09-03 18:45:46 UTC Local time: —
M5.2 earthquake near Unorganized Borough on Sep 3, 2026 — map of epicenter and shaking intensity | QuakeMap24
M5.2 Earthquake near Unorganized Borough, Alaska (United States) · 2026-09-03 18:45:46 UTC

About this earthquake

A magnitude M5.2 earthquake was recorded near Unorganized Borough, Alaska (United States) on September 3, 2026 at 18:45 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The data is provided by RESIF and cross-checked across seismological networks. United States: 215 earthquakes were recorded in the past 24 hours, the strongest reaching M5.9.

Map

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

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

Tectonic context

Located on the North America Plate.
Near the boundary North America ↔ Pacific · about 147 km away

Volcanoes nearby

  • Carlisle
    Distance: 7 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Cleveland
    Distance: 11 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Tana
    Distance: 16 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Kagamil
    Distance: 17 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States
  • Uliaga
    Distance: 20 km ·Stratovolcano ·Elevation: 888 m ·United States
  • Herbert
    Distance: 23 km ·Stratovolcano ·Elevation: 1'280 m ·United States

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#47
Earlier events M≥4136
Earlier events M≥563
Compared since2025-01-13

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.32026-09-03 11:17:24 UTC82.5 km###.# km ( ###.# mi) WNW (az= 303.5) from Port Orford, OR M6.32026-02-23 05:11:49 UTC63.2 kmAlaska M6.12026-02-23 05:11:48 UTC63.2 km###.# km ( ###.# mi) WNW (az= 303.7) from Port Orford, OR M6.12026-02-23 05:11:48 UTC34.8 kmAlaska M6.02025-09-03 20:57:47 UTC68.0 km87 km SW of Nikolski, Alaska

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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