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M3.5 Depth: 15.0 km

M3.5 Earthquake near Southern California (United States)

UTC time: 2025-10-22 10:21:44 UTC Local time: —

About this earthquake

A magnitude M3.5 earthquake was recorded near Southern California (United States) on October 22, 2025 at 10:21 UTC. The hypocenter lay relatively close to the surface at around 15 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The data is provided by ISC and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 191 earthquakes, the strongest at M4.7.

Details

Magnitude
M3.5
Depth
15.0 km
UTC time
2025-10-22 10:21:44 UTC
Local time
—
Country
United States
City
California
Source
isc
Coordinates
34.41000, -119.07100
Temperature
8.9°C

Map

Depth profile

Depth profile Depth: 15 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15 km
Shallow
15 km
15 km — close to 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

  • Ubehebe Craters
    Distance: 325 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Salton Buttes
    Distance: 347 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Mammoth Mountain
    Distance: 358 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 377 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 399 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·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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