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M2.1 Depth: 25.4 km

M2.1 Earthquake near 21 km E of Hydesville, CA (United States)

UTC time: 2025-11-03 09:15:20 UTC Local time: —

About this earthquake

On November 3, 2025 at 09:15 UTC, a magnitude M2.1 earthquake occurred near 21 km E of Hydesville, CA (United States). With a focal depth of about 25 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 141 earthquakes were recorded in the past 24 hours, the strongest reaching M3.5.

Details

Magnitude
M2.1
Depth
25.4 km
UTC time
2025-11-03 09:15:20 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
40.57550, -123.84783
Temperature
10.9°C

Map

Depth profile

Depth profile Depth: 25.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 25.4 km
Shallow
25.4 km
25.4 km — deeper than the regional average (15.5 km)
Regional average: 15.5 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

  • Shasta
    Distance: 167 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Lassen Volcanic Center
    Distance: 198 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Clear Lake Volcanic Field
    Distance: 201 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Medicine Lake
    Distance: 224 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Crater Lake
    Distance: 300 km ·Caldera ·Elevation: 2'487 m ·Last eruption: -2850 ·United States
  • Escanaba Segment
    Distance: 311 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·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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