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United States · Alaska

M4.9 Earthquake near Alaska (United States)

UTC time: 2026-08-09 03:36:17 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.

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About this earthquake

On August 9, 2026 at 03:36 UTC, a magnitude M4.9 earthquake occurred near Alaska (United States). The hypocenter lay relatively close to the surface at around 60 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 164 earthquakes, the strongest at M4.2.

Details

ID
c2fe351fdc2f431b729b6d517a31456df9a8350b
Magnitude
M4.9
Depth
60.3 km
UTC time
2026-08-09 03:36:17 UTC
Local time
—
Country
United States
State
Alaska
City
Alaska
Source
usgs
Coordinates
51.98700, -173.26100
Temperature
12.0°C

Depth profile

Depth profile Depth: 60.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 60.3 km
Shallow
60.3 km
60.3 km — deeper 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

Estimated impact

1 Felt reports · max reported intensity 2.7

Ground shaking

IV
Light · Intensity (MMI) IV
Felt by many, no damage.

Tectonic context

Located on the North America Plate.
Near the boundary North America ↔ Pacific · about 93 km away

Volcanoes nearby

  • Seguam
    Distance: 63 km ·Stratovolcano(es) ·Elevation: 1'054 m ·Last eruption: 1993 ·United States
  • Atka Volcanic Complex
    Distance: 71 km ·Stratovolcano(es) ·Elevation: 1'518 m ·Last eruption: 2025 ·United States
  • Koniuji
    Distance: 130 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States
  • Amukta
    Distance: 148 km ·Stratovolcano ·Elevation: 1'066 m ·Last eruption: 1996 ·United States
  • Kasatochi
    Distance: 155 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Chagulak
    Distance: 158 km ·Stratovolcano ·Elevation: 1'028 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

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