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United States

M1.8 Earthquake near 9 km WNW of Cobb, CA (United States)

UTC time: 2025-04-28 13:08:14 UTC Local time: —

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About this earthquake

A magnitude M1.8 earthquake was recorded near 9 km WNW of Cobb, CA (United States) on April 28, 2025 at 13:08 UTC. With a focal depth of about 2 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 172 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

ID
df70111494d765ebb97614cbdeda7a2f2b03fbd8
Magnitude
M1.8
Depth
2.2 km
UTC time
2025-04-28 13:08:14 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
38.83983, -122.82417
Temperature
11.4°C

Depth profile

Depth profile Depth: 2.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.2 km
Shallow
2.2 km
2.2 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

  • Clear Lake Volcanic Field
    Distance: 15 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 215 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 291 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 326 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Mono Lake Volcanic Field
    Distance: 343 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Soda Lakes
    Distance: 349 km ·Maar(s) ·Elevation: 1'251 m ·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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