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United States · California

M1.6 Earthquake near Napa County, California (United States)

UTC time: 2026-09-05 20:06:56 UTC Local time: —

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About this earthquake

A magnitude M1.6 earthquake was recorded near Napa County, California (United States) on September 5, 2026 at 20:06 UTC. The hypocenter lay relatively close to the surface at around 14 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: 168 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Details

ID
93d3028efe4bb87988ffdb9b5a21f06a884bf706
Magnitude
M1.6
Depth
14.3 km
UTC time
2026-09-05 20:06:56 UTC
Local time
—
Country
United States
State
California
City
Napa County
County
Napa County
Source
usgs
Coordinates
38.36367, -122.17633
Temperature
23.6°C

Depth profile

Depth profile Depth: 14.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14.3 km
Shallow
14.3 km
14.3 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: 85 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: 278 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 282 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mammoth Mountain
    Distance: 287 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Soda Lakes
    Distance: 313 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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