M2.1 Depth: 3.0 km

M2.1 Earthquake near NORTHERN CALIFORNIA (United States)

UTC time: 2025-12-09 16:25:28 UTC Local time: —

About this earthquake

On December 9, 2025 at 16:25 UTC, a magnitude M2.1 earthquake occurred near NORTHERN CALIFORNIA (United States). With a focal depth of about 3 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by EMSC. United States: 190 earthquakes were recorded in the past 24 hours, the strongest reaching M4.7.

Details

Magnitude

M2.1

Depth

3.0 km

UTC time

2025-12-09 16:25:28 UTC

Local time

—

Country

United States

City

California

Source

emsc

Coordinates

38.84170, -122.87400

Temperature

16.6°C

Map

Depth profile

Shallow

3 km

3 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

Clear Lake Volcanic Field

Distance: 17 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: 291 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
Medicine Lake

Distance: 328 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
Mono Lake Volcanic Field

Distance: 348 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
Soda Lakes

Distance: 353 km ·Maar(s) ·Elevation: 1'251 m ·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.

Stats (last 24h)

Global (24h)

708

Country (24h)