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M1.5 Depth: 6.1 km

M1.5 Earthquake near 12 km W of Ukiah, CA (United States)

UTC time: 2025-09-23 13:32:08 UTC Local time: —

About this earthquake

A magnitude M1.5 earthquake was recorded near 12 km W of Ukiah, CA (United States) on September 23, 2025 at 13:32 UTC. The hypocenter lay relatively close to the surface at around 6 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: 164 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M1.5
Depth
6.1 km
UTC time
2025-09-23 13:32:08 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
39.14667, -123.34866
Temperature
23.9°C

Map

Depth profile

Depth profile Depth: 6.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.1 km
Shallow
6.1 km
6.1 km — shallower than the regional average (15.4 km)
Regional average: 15.4 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: 54 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 217 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 270 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 313 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Soda Lakes
    Distance: 387 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Mono Lake Volcanic Field
    Distance: 396 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·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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