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United States · California

M1.3 Earthquake near Bay Point, California (United States)

UTC time: 2026-10-26 04:46:40 UTC Local time: —

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About this earthquake

On October 26, 2026 at 04:46 UTC, a magnitude M1.3 earthquake occurred near Bay Point, California (United States). The hypocenter lay relatively close to the surface at around 15 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: 164 earthquakes were recorded in the past 24 hours, the strongest reaching M2.9.

Details

ID
a0204f4b66d70c3c79e8d695d028780926a382c1
Magnitude
M1.3
Depth
15.1 km
UTC time
2026-10-26 04:46:40 UTC
Local time
—
Country
United States
State
California
City
Bay Point
County
Contra Costa County
Source
usgs
Coordinates
37.99083, -121.91217
Temperature
14.8°C

Depth profile

Depth profile Depth: 15.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.1 km
Shallow
15.1 km
15.1 km — close to the regional average (15.3 km)
Regional average: 15.3 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: 132 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Mono Lake Volcanic Field
    Distance: 253 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 254 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 256 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Lassen Volcanic Center
    Distance: 280 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Soda Lakes
    Distance: 314 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
    12.7 kmStraight-line distance
  • Oakland San Francisco Bay AirportUnited States · OAK · KOAK
    40.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

Nuclear power plants

  • Vallecitos nuclear power plantUnited StatesPermanently shut downReactor units at site: 1
    42.8 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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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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