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United States · California

M1.5 Earthquake near San Luis Obispo County, California (United States)

UTC time: 2026-09-30 21:05:12 UTC Local time: —
Magnitude
M1.5
Depth
6.7 km
Source
USGS

California · San Luis Obispo County

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About this earthquake

A magnitude M1.5 earthquake was recorded near San Luis Obispo County, California (United States) on September 30, 2026 at 21:05 UTC. With a focal depth of about 7 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 data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 188 earthquakes, the strongest at M4.2.

Depth profile

Depth profile Depth: 6.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.7 km
Shallow
6.7 km
6.7 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

  • Mammoth Mountain
    Distance: 283 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 297 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 314 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Ubehebe Craters
    Distance: 363 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Clear Lake Volcanic Field
    Distance: 382 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Soda Lakes
    Distance: 464 km ·Maar(s) ·Elevation: 1'251 m ·United States

California

Context for this earthquake

30 Sep 2025 – 30 Sep 2026 · M ≥ 2.0 · 2,443 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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Country statistics · United States

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