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M1.4 Depth: 9.8 km

M1.4 Earthquake near Sonoma County, California (United States)

UTC time: 2026-07-20 23:27:13 UTC Local time: —

About this earthquake

A magnitude M1.4 earthquake was recorded near Sonoma County, California (United States) on July 20, 2026 at 23:27 UTC. The hypocenter lay relatively close to the surface at around 10 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: 183 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

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Depth profile

Depth profile Depth: 9.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.8 km
Shallow
9.8 km
9.8 km — shallower than the regional average (15.6 km)
Regional average: 15.6 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: 55 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 244 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Mono Lake Volcanic Field
    Distance: 322 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 327 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Shasta
    Distance: 328 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Mammoth Mountain
    Distance: 332 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·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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