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M4.2 Depth: 20.0 km

M4.2 Earthquake near 230 km ESE of Attu Station, Alaska

UTC time: 2026-06-19 16:43:05 UTC Local time: —

About this earthquake

A magnitude M4.2 earthquake was recorded near 230 km ESE of Attu Station, Alaska on June 19, 2026 at 16:43 UTC. With a focal depth of about 20 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by USGS and cross-checked across seismological networks.

Details

Magnitude
M4.2
Depth
20.0 km
UTC time
2026-06-19 16:43:05 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.82300, 176.11900
Temperature
6.4°C

Map

Depth profile

Depth profile Depth: 20 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20 km
Shallow
20 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 87 km away

Volcanoes nearby

  • Buldir
    Distance: 60 km ·Stratovolcano ·Elevation: 656 m ·United States
  • Kiska
    Distance: 106 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Segula
    Distance: 140 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Davidof
    Distance: 153 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Little Sitkin
    Distance: 167 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Semisopochnoi
    Distance: 238 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States

Stats (last 24h)

Global (24h)
654
Country (24h)
—
—
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