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United States · California

M1.5 Earthquake near Pittsburg, California (United States)

UTC time: 2026-09-06 08:59:47 UTC Local time: —

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About this earthquake

On September 6, 2026 at 08:59 UTC, a magnitude M1.5 earthquake occurred near Pittsburg, California (United States). The hypocenter lay relatively close to the surface at around 16 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 149 earthquakes, the strongest at M4.0.

Details

ID
db86195266731d53f4094c650b9ad903fea393df
Magnitude
M1.5
Depth
15.6 km
UTC time
2026-09-06 08:59:47 UTC
Local time
—
Country
United States
State
California
City
Pittsburg
County
Contra Costa County
Source
usgs
Coordinates
37.99583, -121.89233
Temperature
14.9°C

Depth profile

Depth profile Depth: 15.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.6 km
Shallow
15.6 km
15.6 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: 133 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Mono Lake Volcanic Field
    Distance: 251 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 252 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 255 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: 312 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
    14.4 kmStraight-line distance
  • Oakland San Francisco Bay AirportUnited States · OAK · KOAK
    42.1 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

Nuclear power plants

  • Vallecitos nuclear power plantUnited StatesPermanently shut downReactor units at site: 1
    43.1 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

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 2,414 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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