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M4.9 Depth: 10.0 km

M4.9 Earthquake near Northern California (United States)

UTC time: 2025-12-31 05:49:36 UTC Local time: —

About this earthquake

On December 31, 2025 at 05:49 UTC, a magnitude M4.9 earthquake occurred near Northern California (United States). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by GFZ and cross-checked across seismological networks. United States: 197 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Details

Magnitude
M4.9
Depth
10.0 km
UTC time
2025-12-31 05:49:36 UTC
Local time
—
Country
United States
City
California
Source
gfz
Coordinates
40.59000, -120.50000
Temperature
-1.1°C

Map

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (15.7 km)
Regional average: 15.7 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

  • Lassen Volcanic Center
    Distance: 86 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Medicine Lake
    Distance: 144 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Shasta
    Distance: 169 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Soda Lakes
    Distance: 182 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Clear Lake Volcanic Field
    Distance: 265 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Crater Lake
    Distance: 294 km ·Caldera ·Elevation: 2'487 m ·Last eruption: -2850 ·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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