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M1.8 Depth: 26.0 km

M1.8 Earthquake near 83 km SSE of Port Graham, Alaska

UTC time: 2026-08-13 04:28:22 UTC Local time: —

About this earthquake

On August 13, 2026 at 04:28 UTC, a magnitude M1.8 earthquake occurred near 83 km SSE of Port Graham, Alaska. The hypocenter lay relatively close to the surface at around 26 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS.

Details

Magnitude
M1.8
Depth
26.0 km
UTC time
2026-08-13 04:28:22 UTC
Local time
—
Country
—
Source
usgs
Coordinates
58.64000, -151.39100
Temperature
12.5°C

Map

Depth profile

Depth profile Depth: 26 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 26 km
Shallow
26 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

  • Douglas
    Distance: 126 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 133 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Augustine
    Distance: 142 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Kaguyak
    Distance: 152 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Kukak
    Distance: 173 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Steller
    Distance: 176 km ·Stratovolcano ·Elevation: 2'279 m ·United States

Stats (last 24h)

Global (24h)
603
Country (24h)
—
—
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