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M4.2 Depth: 29.0 km

M4.2 Earthquake near 115 km SSW of Nikolski, Alaska

UTC time: 2025-04-17 18:17:50 UTC Local time: —

About this earthquake

On April 17, 2025 at 18:17 UTC, a magnitude M4.2 earthquake occurred near 115 km SSW of Nikolski, Alaska. With a focal depth of about 29 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 data is provided by USGS and cross-checked across seismological networks.

Details

Magnitude
M4.2
Depth
29.0 km
UTC time
2025-04-17 18:17:50 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.94540, -169.35560

Map

Depth profile

Depth profile Depth: 29 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 29 km
Shallow
29 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

  • Tana
    Distance: 102 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Herbert
    Distance: 102 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Cleveland
    Distance: 106 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Carlisle
    Distance: 116 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Yunaska
    Distance: 116 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Kagamil
    Distance: 117 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·United States

Stats (last 24h)

Global (24h)
586
Country (24h)
—
—
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