M3.1 Depth: 1.0 km

M3.1 Earthquake near Southern California (United States)

UTC time: 2025-12-09 08:01:17 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near Southern California (United States) on December 9, 2025 at 08:01 UTC. The hypocenter lay relatively close to the surface at around 1 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by ISC. United States: over the past 24 hours, QuakeMap24 logged 191 earthquakes, the strongest at M4.7.

Details

Magnitude

M3.1

Depth

1.0 km

UTC time

2025-12-09 08:01:17 UTC

Local time

—

Country

United States

City

California

Source

isc

Coordinates

33.23400, -116.40700

Temperature

12.1°C

Map

Depth profile

Shallow

1 km

1 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

Salton Buttes

Distance: 74 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
Pinacate

Distance: 313 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
San Luis, Isla

Distance: 409 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
Ubehebe Craters

Distance: 432 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
Uinkaret Field

Distance: 460 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
Jaraguay Volcanic Field

Distance: 470 km ·Volcanic field ·Elevation: 960 m ·Mexico

Historic earthquake map · United States

Open history map

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Country statistics · United States

Country overview

View earthquake KPIs, strongest and latest events, and averages for this country.

Stats (last 24h)

Global (24h)

707

Country (24h)