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M1.8 Depth: 2.9 km

M1.8 Earthquake near 67 km ENE of Ruby, Alaska (United States)

UTC time: 2025-04-30 19:55:54 UTC Local time: —

About this earthquake

On April 30, 2025 at 19:55 UTC, a magnitude M1.8 earthquake occurred near 67 km ENE of Ruby, Alaska (United States). The hypocenter lay relatively close to the surface at around 3 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 172 earthquakes were recorded in the past 24 hours, the strongest reaching M3.4.

Details

Magnitude
M1.8
Depth
2.9 km
UTC time
2025-04-30 19:55:54 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
65.07760, -154.29240
Temperature
3.7°C

Map

Depth profile

Depth profile Depth: 2.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.9 km
Shallow
2.9 km
2.9 km — shallower 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

Volcanoes nearby

  • Buzzard Creek
    Distance: 302 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Hayes
    Distance: 394 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • St. Michael
    Distance: 419 km ·Volcanic field ·Elevation: 715 m ·United States
  • Imuruk Lake
    Distance: 428 km ·Volcanic field ·Elevation: 610 m ·Last eruption: 300 ·United States
  • Spurr
    Distance: 432 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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