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United States · California

M1.7 Earthquake near Mendocino County, California (United States)

UTC time: 2026-09-17 09:59:45 UTC Local time: —

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About this earthquake

A magnitude M1.7 earthquake was recorded near Mendocino County, California (United States) on September 17, 2026 at 09:59 UTC. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 181 earthquakes were recorded in the past 24 hours, the strongest reaching M5.2.

Details

ID
894a1b5a63267c87d6c191bb5505cee65a642a0d
Magnitude
M1.7
Depth
-0.8 km
UTC time
2026-09-17 09:59:45 UTC
Local time
—
Country
United States
State
California
City
Mendocino County
County
Mendocino County
Source
usgs
Coordinates
39.38883, -123.08783
Temperature
12.0°C

Depth profile

Depth profile Depth: -0.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km -0.8 km
Shallow
-0.8 km
0 km — shallower than the regional average (15.2 km)
Regional average: 15.2 km
Negative depth = focus above sea level (terrain elevation).
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: 54 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 182 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 237 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 279 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Soda Lakes
    Distance: 362 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Mono Lake Volcanic Field
    Distance: 384 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States

California

Context for this earthquake

17 Sep 2025 – 17 Sep 2026 · M ≥ 2.0 · 2,410 Catalogue entries

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

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Historic earthquake map · United States

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