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United States · California

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

UTC time: 2026-09-30 04:44:57 UTC Local time: —

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About this earthquake

On September 30, 2026 at 04:44 UTC, a magnitude M1.7 earthquake occurred near Mendocino County, California (United States). With a focal depth of about 13 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 178 earthquakes, the strongest at M4.3.

Details

ID
af8ae050a3307732fc79c18151e85bb8d893b07e
Magnitude
M1.7
Depth
12.9 km
UTC time
2026-09-30 04:44:57 UTC
Local time
—
Country
United States
State
California
City
Mendocino County
County
Mendocino County
Source
usgs
Coordinates
39.56917, -123.30183
Temperature
17.5°C

Depth profile

Depth profile Depth: 12.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12.9 km
Shallow
12.9 km
12.9 km — close to the regional average (15.2 km)
Regional average: 15.2 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

  • Clear Lake Volcanic Field
    Distance: 81 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 184 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 225 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 271 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Soda Lakes
    Distance: 379 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Crater Lake
    Distance: 388 km ·Caldera ·Elevation: 2'487 m ·Last eruption: -2850 ·United States

California

Context for this earthquake

30 Sep 2025 – 30 Sep 2026 · M ≥ 2.0 · 2,441 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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Country statistics · United States

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