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M1.0 Depth: 0.4 km

M1.0 Earthquake near Cobb, California (United States)

UTC time: 2026-06-28 07:00:31 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near Cobb, California (United States) on June 28, 2026 at 07:00 UTC. The hypocenter lay relatively close to the surface at around 0 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: 154 earthquakes were recorded in the past 24 hours, the strongest reaching M2.9.

Details

Magnitude
M1.0
Depth
0.4 km
UTC time
2026-06-28 07:00:31 UTC
Local time
—
Country
United States
State
California
City
Cobb
County
Lake County
Source
usgs
Coordinates
38.78683, -122.73800
Temperature
14.9°C

Map

Depth profile

Depth profile Depth: 0.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.4 km
Shallow
0.4 km
0.4 km — shallower than the regional average (15.8 km)
Regional average: 15.8 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: 21 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 217 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 295 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 330 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Mono Lake Volcanic Field
    Distance: 335 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 342 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States

Historic earthquake map · United States

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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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