Back to map
United States · California

M1.3 Earthquake near San Luis Obispo County, California (United States)

UTC time: 2026-09-26 04:26:37 UTC Local time: —
Magnitude
M1.3
Depth
17.4 km
Source
USGS

California · San Luis Obispo County

Country overview

Map

About this earthquake

On September 26, 2026 at 04:26 UTC, a magnitude M1.3 earthquake occurred near San Luis Obispo County, California (United States). With a focal depth of about 17 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 157 earthquakes, the strongest at M3.9.

Depth profile

Depth profile Depth: 17.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17.4 km
Shallow
17.4 km
17.4 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

  • Mammoth Mountain
    Distance: 282 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Ubehebe Craters
    Distance: 287 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Mono-Inyo Craters
    Distance: 301 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States
  • Mono Lake Volcanic Field
    Distance: 323 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Salton Buttes
    Distance: 428 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Soda Lakes
    Distance: 492 km ·Maar(s) ·Elevation: 1'251 m ·United States

California

Context for this earthquake

26 Sep 2025 – 26 Sep 2026 · M ≥ 2.0 · 2,422 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

Open history map
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.

Share