Back to map
M1.5 Depth: 2.1 km

M1.5 Earthquake near Castle Rock Springs, California (United States)

UTC time: 2026-05-26 23:18:13 UTC Local time: —

About this earthquake

On May 26, 2026 at 23:18 UTC, a magnitude M1.5 earthquake occurred near Castle Rock Springs, California (United States). With a focal depth of about 2 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 173 earthquakes, the strongest at M4.1.

Map

Depth profile

Depth profile Depth: 2.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 2.1 km
Shallow
2.1 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: 23 km ·Volcanic field ·Elevation: 1'439 m ·United States
  • Lassen Volcanic Center
    Distance: 218 km ·Stratovolcano ·Elevation: 3'187 m ·Last eruption: 1917 ·United States
  • Shasta
    Distance: 297 km ·Stratovolcano ·Elevation: 4'317 m ·Last eruption: 1250 ·United States
  • Medicine Lake
    Distance: 331 km ·Shield ·Elevation: 2'412 m ·Last eruption: 1060 ·United States
  • Mono Lake Volcanic Field
    Distance: 332 km ·Volcanic field ·Elevation: 2'121 m ·Last eruption: 1790 ·United States
  • Mono-Inyo Craters
    Distance: 338 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States

Sources: Smithsonian GVP & USGS

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