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M1.2 Depth: 0.2 km

M1.2 Earthquake near 2 km NNW of Cobb, CA (United States)

UTC time: 2025-08-28 18:45:07 UTC Local time: —

About this earthquake

On August 28, 2025 at 18:45 UTC, a magnitude M1.2 earthquake occurred near 2 km NNW of Cobb, CA (United States). With a focal depth of about 0 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 243 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

Magnitude
M1.2
Depth
0.2 km
UTC time
2025-08-28 18:45:07 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
38.83817, -122.73683
Temperature
32.8°C

Map

Depth profile

Depth profile Depth: 0.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.2 km
Shallow
0.2 km
0.2 km — shallower than the regional average (15.4 km)
Regional average: 15.4 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: 212 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 290 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 324 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Mono Lake Volcanic Field
    Distance: 336 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Soda Lakes
    Distance: 341 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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