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M1.8 Depth: 16.4 km

M1.8 Earthquake near 6 km E of Calimesa, CA (United States)

UTC time: 2025-12-11 19:59:37 UTC Local time: —

About this earthquake

On December 11, 2025 at 19:59 UTC, a magnitude M1.8 earthquake occurred near 6 km E of Calimesa, CA (United States). The hypocenter lay relatively close to the surface at around 16 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 176 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Details

Magnitude
M1.8
Depth
16.4 km
UTC time
2025-12-11 19:59:37 UTC
Local time
—
Country
United States
City
California
Source
usgs
Coordinates
33.99683, -116.98867
Temperature
24.5°C

Map

Depth profile

Depth profile Depth: 16.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 16.4 km
Shallow
16.4 km
16.4 km — close to the regional average (15.6 km)
Regional average: 15.6 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

  • Salton Buttes
    Distance: 155 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Ubehebe Craters
    Distance: 339 km ·Maar(s) ·Elevation: 752 m ·Last eruption: -150 ·United States
  • Pinacate
    Distance: 404 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Uinkaret Field
    Distance: 439 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • Mammoth Mountain
    Distance: 444 km ·Lava dome(s) ·Elevation: 3'369 m ·Last eruption: 1260 ·United States
  • Mono-Inyo Craters
    Distance: 461 km ·Lava dome(s) ·Elevation: 2'796 m ·Last eruption: 1380 ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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