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United States

M1.1 Earthquake near 9 km NW of Cobb, CA (United States)

UTC time: 2025-04-24 10:58:45 UTC Local time: —

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About this earthquake

A magnitude M1.1 earthquake was recorded near 9 km NW of Cobb, CA (United States) on April 24, 2025 at 10:58 UTC. The hypocenter lay relatively close to the surface at around 2 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 152 earthquakes, the strongest at M4.0.

Details

ID
b47a176ba3f8fec480790bb681548306882b0dd3
Magnitude
M1.1
Depth
2.5 km
UTC time
2025-04-24 10:58:45 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
38.85683, -122.82317
Temperature
15.4°C

Depth profile

Depth profile Depth: 2.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.5 km
Shallow
2.5 km
2.5 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: 13 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 214 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 289 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 325 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Mono Lake Volcanic Field
    Distance: 344 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Soda Lakes
    Distance: 348 km ·Maar(s) ·Elevation: 1'251 m ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Charles M. Schulz Sonoma County AirportUnited States · STS · KSTS
    38.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Historic earthquake map · United States

Open history map
Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

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

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