United States · California

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

UTC time: 2026-09-15 18:03:26 UTC Local time:

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About this earthquake

A magnitude M1.0 earthquake was recorded near Cobb, California (United States) on September 15, 2026 at 18:03 UTC. The hypocenter lay relatively close to the surface at around 2 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: 173 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
41b5969bc8634e979fa463246778ebcc5a9795a6
Magnitude
M1.0
Depth
2.1 km
UTC time
2026-09-15 18:03:26 UTC
Local time
Country
State
City
County
Source
usgs
Coordinates
38.82633, -122.76434
Temperature
24.0°C

Depth profile

Depth profile Depth: 2.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.1 km
Shallow
2.1 km
2.1 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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

  • Distance: 16 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Distance: 214 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Distance: 291 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Distance: 326 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Distance: 338 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Distance: 344 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
    35.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-15

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

California

Context for this earthquake

15 Sep 2025 – 15 Sep 2026 · M ≥ 2.0 · 2,411 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

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

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

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