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M1.2 Depth: 10.5 km

M1.2 Earthquake near Pacheco, California (United States)

UTC time: 2026-08-27 03:11:20 UTC Local time: —

About this earthquake

On August 27, 2026 at 03:11 UTC, a magnitude M1.2 earthquake occurred near Pacheco, California (United States). With a focal depth of about 11 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 data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 185 earthquakes, the strongest at M3.1.

Details

Magnitude
M1.2
Depth
10.5 km
UTC time
2026-08-27 03:11:20 UTC
Local time
—
Country
United States
State
California
City
Pacheco
County
Contra Costa County
Village
Pacheco
Source
usgs
Coordinates
37.98900, -122.07083
Temperature
26.0°C

Map

Depth profile

Depth profile Depth: 10.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10.5 km
Shallow
10.5 km
10.5 km — shallower than 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: 125 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Mono Lake Volcanic Field
    Distance: 266 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 268 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 270 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: 325 km ·Maar(s) ·Elevation: 1'251 m ·United States

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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