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M4.9 Earthquake near 83 km SSE of Atka, Alaska

UTC time: 2026-08-01 23:07:04 UTC Local time: —
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Archive record · original publication time was not recorded

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

Magnitude
M4.9
Depth
35.0 km
Source
USGS

83 km SSE of Atka, Alaska

Map

About this earthquake

A magnitude M4.9 earthquake was recorded near 83 km SSE of Atka, Alaska on August 1, 2026 at 23:07 UTC. With a focal depth of about 35 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The event was recorded by USGS.

Details

ID
e9a5498cc59a27251b3051d76150ccacfe20f90c
Magnitude
M4.9
Depth
35.0 km
UTC time
2026-08-01 23:07:04 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.55540, -173.56390
Temperature
11.1°C

Depth profile

Depth profile Depth: 35 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35 km
Shallow
35 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 52 km away

Volcanoes nearby

  • Atka Volcanic Complex
    Distance: 95 km ·Stratovolcano(es) ·Elevation: 1'518 m ·Last eruption: 2025 ·United States
  • Seguam
    Distance: 111 km ·Stratovolcano(es) ·Elevation: 1'054 m ·Last eruption: 1993 ·United States
  • Koniuji
    Distance: 130 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States
  • Kasatochi
    Distance: 150 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 186 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Amukta
    Distance: 190 km ·Stratovolcano ·Elevation: 1'066 m ·Last eruption: 1996 ·United States

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Stats (last 24h)

Global (24h)
668
Country (24h)
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