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United States · California

M1.1 Earthquake near Danville, California (United States)

UTC time: 2026-09-25 08:31:52 UTC Local time: —

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About this earthquake

A magnitude M1.1 earthquake was recorded near Danville, California (United States) on September 25, 2026 at 08:31 UTC. With a focal depth of about 8 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 173 earthquakes, the strongest at M3.4.

Details

ID
f6c9a643742a6cbe8e409d20038c081d700c78e9
Magnitude
M1.1
Depth
7.9 km
UTC time
2026-09-25 08:31:52 UTC
Local time
—
Country
United States
State
California
City
Danville
County
Contra Costa County
Source
usgs
Coordinates
37.83183, -121.98734
Temperature
17.5°C

Depth profile

Depth profile Depth: 7.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7.9 km
Shallow
7.9 km
7.9 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

  • Clear Lake Volcanic Field
    Distance: 144 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Mono-Inyo Craters
    Distance: 260 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 260 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mammoth Mountain
    Distance: 261 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Lassen Volcanic Center
    Distance: 299 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Soda Lakes
    Distance: 329 km ·Maar(s) ·Elevation: 1'251 m ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Buchanan FieldUnited States · CCR · KCCR
    18.6 kmStraight-line distance
  • Oakland San Francisco Bay AirportUnited States · OAK · KOAK
    24.0 kmStraight-line distance
  • San Francisco International AirportUnited States · SFO · KSFO
    41.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-25

Nuclear power plants

  • Vallecitos nuclear power plantUnited StatesPermanently shut downReactor units at site: 1
    27.9 kmStraight-line distance

Source: Global Energy Monitor · Global Nuclear Power Tracker · Dataset date: 2026-08

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

25 Sep 2025 – 25 Sep 2026 · M ≥ 2.0 · 2,421 Catalogue entries

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

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Historic earthquake map · United States

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Country statistics · United States

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