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United States · California

M1.4 Earthquake near Antioch, California (United States)

UTC time: 2026-11-03 17:39:58 UTC Local time: —

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About this earthquake

On November 3, 2026 at 17:39 UTC, a magnitude M1.4 earthquake occurred near Antioch, California (United States). With a focal depth of about 1 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 NCEDC. United States: over the past 24 hours, QuakeMap24 logged 158 earthquakes, the strongest at M3.6.

Details

ID
0523c9b038bcda7d083f9d15476730a7f2f0e7d4
Magnitude
M1.4
Depth
0.6 km
UTC time
2026-11-03 17:39:58 UTC
Local time
—
Country
United States
State
California
City
Antioch
County
Contra Costa County
Source
ncedc
Coordinates
37.95550, -121.78767
Temperature
15.1°C

Depth profile

Depth profile Depth: 0.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.6 km
Shallow
0.6 km
0.6 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: 142 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Mono Lake Volcanic Field
    Distance: 242 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 243 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 245 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Lassen Volcanic Center
    Distance: 283 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Soda Lakes
    Distance: 307 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
    23.9 kmStraight-line distance
  • Oakland San Francisco Bay AirportUnited States · OAK · KOAK
    46.2 kmStraight-line distance
  • Stockton Metropolitan AirportUnited States · SCK · KSCK
    48.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-03

Nuclear power plants

  • Vallecitos nuclear power plantUnited StatesPermanently shut downReactor units at site: 1
    38.5 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

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 2,447 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

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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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