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United States · California

M1.9 Earthquake near Mendocino County, California (United States)

UTC time: 2026-09-18 22:17:28 UTC Local time: —

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About this earthquake

A magnitude M1.9 earthquake was recorded near Mendocino County, California (United States) on September 18, 2026 at 22:17 UTC. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 201 earthquakes, the strongest at M4.8.

Details

ID
2aca4042b4c879ebb85bb8cbcc18ea31a6c5bea9
Magnitude
M1.9
Depth
-0.3 km
UTC time
2026-09-18 22:17:28 UTC
Local time
—
Country
United States
State
California
City
Mendocino County
County
Mendocino County
Source
usgs
Coordinates
39.28267, -123.38216
Temperature
22.5°C

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 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: 63 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 209 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 257 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 302 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Soda Lakes
    Distance: 388 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Escanaba Segment
    Distance: 398 km ·Fissure vent(s) ·Elevation: -1'700 m ·Last eruption: -2260 ·United States

California

Context for this earthquake

18 Sep 2025 – 18 Sep 2026 · M ≥ 2.0 · 2,414 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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