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United States · California

M3.3 Earthquake near Siskiyou County, California (United States)

UTC time: 2026-10-16 03:44:27 UTC Local time: —

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About this earthquake

On October 16, 2026 at 03:44 UTC, a magnitude M3.3 earthquake occurred near Siskiyou County, California (United States). The earthquake originated at an intermediate depth of about 78 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 134 earthquakes, the strongest at M5.4.

Details

ID
89b537723a93734ea376122733209e574b32ddf4
Magnitude
M3.3
Depth
77.8 km
UTC time
2026-10-16 03:44:27 UTC
Local time
—
Country
United States
State
California
City
Siskiyou County
County
Siskiyou County
Source
usgs
Coordinates
41.57183, -122.45050
Temperature
17.6°C

Depth profile

Depth profile Depth: 77.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 77.8 km
Intermediate
77.8 km
77.8 km — deeper than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Shasta
    Distance: 28 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 75 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Lassen Volcanic Center
    Distance: 144 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Crater Lake
    Distance: 155 km ·Caldera ·Elevation: 2'487 m ·Last eruption: -2850 ·United States
  • Cinnamon Butte
    Distance: 188 km ·Pyroclastic cone(s) ·Elevation: 1'958 m ·United States
  • Davis Lake
    Distance: 228 km ·Volcanic field ·Elevation: 2'163 m ·Last eruption: -2790 ·United States

California

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 239 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

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

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