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M2.1 Depth: 0.3 km

M2.1 Earthquake near 12 km N of Susanville, CA (United States)

UTC time: 2025-12-31 08:25:18 UTC Local time: —

About this earthquake

On December 31, 2025 at 08:25 UTC, a magnitude M2.1 earthquake occurred near 12 km N of Susanville, CA (United States). With a focal depth of about 0 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 USGS. United States: over the past 24 hours, QuakeMap24 logged 197 earthquakes, the strongest at M4.3.

Details

Magnitude
M2.1
Depth
0.3 km
UTC time
2025-12-31 08:25:18 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
40.52333, -120.66016
Temperature
-2.2°C

Map

Depth profile

Depth profile Depth: 0.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.3 km
Shallow
0.3 km
0.3 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: 72 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Medicine Lake
    Distance: 142 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Shasta
    Distance: 162 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Soda Lakes
    Distance: 188 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Clear Lake Volcanic Field
    Distance: 250 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Crater Lake
    Distance: 295 km ·Caldera ·Elevation: 2'487 m ·Last eruption: -2850 ·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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