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M1.8 Depth: -0.1 km

M1.8 Earthquake near Sonoma County, California (United States)

UTC time: 2026-07-09 18:44:15 UTC Local time: —

About this earthquake

On July 9, 2026 at 18:44 UTC, a magnitude M1.8 earthquake occurred near Sonoma County, California (United States). 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 181 earthquakes, the strongest at M3.9.

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Depth profile

Depth profile Depth: -0.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km -0.1 km
Shallow
-0.1 km
0 km — shallower than the regional average (15.7 km)
Regional average: 15.7 km
Negative depth = focus above sea level (terrain elevation).
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: 19 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 218 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 295 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 330 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Mono Lake Volcanic Field
    Distance: 340 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 347 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States

Historic earthquake map · United States

Open history map
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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