Back to map
United States

M1.1 Earthquake near 8 km WNW of Cobb, CA (United States)

UTC time: 2025-04-24 23:21:20 UTC Local time: —

Map

About this earthquake

A magnitude M1.1 earthquake was recorded near 8 km WNW of Cobb, CA (United States) on April 24, 2025 at 23:21 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 150 earthquakes, the strongest at M4.0.

Details

ID
cdb64c633e035fa05fbc2f7522b49a6b29317c40
Magnitude
M1.1
Depth
1.9 km
UTC time
2025-04-24 23:21:20 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
38.83533, -122.81633
Temperature
16.3°C

Depth profile

Depth profile Depth: 1.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 1.9 km
Shallow
1.9 km
1.9 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

  • Clear Lake Volcanic Field
    Distance: 16 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 216 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: 327 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: 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
    36.3 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.

Share