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United States · California

M1.5 Earthquake near Mendocino County, California (United States)

UTC time: 2026-09-29 02:38:09 UTC Local time: —

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About this earthquake

On September 29, 2026 at 02:38 UTC, a magnitude M1.5 earthquake occurred near Mendocino County, California (United States). The hypocenter lay relatively close to the surface at around 8 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 169 earthquakes, the strongest at M4.1.

Details

ID
3c539ce221bf0bfabb942d7bc481d172829d7a94
Magnitude
M1.5
Depth
8.2 km
UTC time
2026-09-29 02:38:09 UTC
Local time
—
Country
United States
State
California
City
Mendocino County
County
Mendocino County
Source
usgs
Coordinates
39.36017, -123.21183
Temperature
19.2°C

Depth profile

Depth profile Depth: 8.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.2 km
Shallow
8.2 km
8.2 km — shallower than 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: 58 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 192 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 244 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 287 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Soda Lakes
    Distance: 373 km ·Maar(s) ·Elevation: 1'251 m ·United States
  • Mono Lake Volcanic Field
    Distance: 393 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States

California

Context for this earthquake

29 Sep 2025 – 29 Sep 2026 · M ≥ 2.0 · 2,435 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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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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