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M1.0 Depth: 2.9 km

M1.0 Earthquake near Sonoma County, California (United States)

UTC time: 2026-07-27 09:53:02 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near Sonoma County, California (United States) on July 27, 2026 at 09:53 UTC. With a focal depth of about 3 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 205 earthquakes were recorded in the past 24 hours, the strongest reaching M3.8.

Map

Depth profile

Depth profile Depth: 2.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.9 km
Shallow
2.9 km
2.9 km — shallower than the regional average (15.5 km)
Regional average: 15.5 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: 17 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 216 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 293 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 328 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Mono Lake Volcanic Field
    Distance: 341 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Soda Lakes
    Distance: 347 km ·Maar(s) ·Elevation: 1'251 m ·United States

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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