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M1.7 Depth: 5.5 km

M1.7 Earthquake near 7.5 km ( 4.7 mi) NW (az= 324.2) from Calipatria, CA (United States)

UTC time: 2025-12-20 16:36:29 UTC Local time: —

About this earthquake

A magnitude M1.7 earthquake was recorded near 7.5 km ( 4.7 mi) NW (az= 324.2) from Calipatria, CA (United States) on December 20, 2025 at 16:36 UTC. The hypocenter lay relatively close to the surface at around 6 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by SCEDC. United States: over the past 24 hours, QuakeMap24 logged 221 earthquakes, the strongest at M6.0.

Details

Magnitude
M1.7
Depth
5.5 km
UTC time
2025-12-20 16:36:29 UTC
Local time
—
Country
United States
City
California
Source
scedc
Coordinates
33.18033, -115.56117
Temperature
20.6°C

Map

Depth profile

Depth profile Depth: 5.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5.5 km
Shallow
5.5 km
5.5 km — shallower than the regional average (15.7 km)
Regional average: 15.7 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: 5 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 243 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • San Luis, Isla
    Distance: 373 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Uinkaret Field
    Distance: 419 km ·Volcanic field ·Elevation: 1'555 m ·Last eruption: 1100 ·United States
  • San Francisco Volcanic Field
    Distance: 431 km ·Volcanic field ·Elevation: 3'850 m ·Last eruption: 1075 ·United States
  • Jaraguay Volcanic Field
    Distance: 440 km ·Volcanic field ·Elevation: 960 m ·Mexico

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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