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M4.0 Depth: 20.3 km

M4.0 Earthquake near BAJA CALIFORNIA, MEXICO (Mexico)

UTC time: 2025-10-21 07:42:51 UTC Local time: —

About this earthquake

A magnitude M4.0 earthquake was recorded near BAJA CALIFORNIA, MEXICO (Mexico) on October 21, 2025 at 07:42 UTC. With a focal depth of about 20 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by EMSC and cross-checked across seismological networks.

Details

Magnitude
M4.0
Depth
20.3 km
UTC time
2025-10-21 07:42:51 UTC
Local time
—
Country
Mexico
City
Baja California
Source
emsc
Coordinates
31.40600, -115.58900
Temperature
17.9°C

Map

Depth profile

Depth profile Depth: 20.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20.3 km
Shallow
20.3 km
20.3 km — shallower than the regional average (46 km)
Regional average: 46 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

  • San Luis, Isla
    Distance: 195 km ·Tuff cone ·Elevation: 183 m ·Last eruption: -1141 ·Mexico
  • Salton Buttes
    Distance: 199 km ·Lava dome(s) ·Elevation: -40 m ·Last eruption: 210 ·United States
  • Pinacate
    Distance: 204 km ·Volcanic field ·Elevation: 1'183 m ·Mexico
  • Jaraguay Volcanic Field
    Distance: 253 km ·Volcanic field ·Elevation: 960 m ·Mexico
  • San Borja Volcanic Field
    Distance: 368 km ·Volcanic field ·Elevation: 1'360 m ·Mexico

Historic earthquake map · Mexico

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Country statistics · Mexico

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

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