M4.0 Depth: 8.0 km

M4.0 Earthquake near OFFSHORE GUERRERO, MEXICO (Mexico)

UTC time: 2025-10-21 09:21:32 UTC Local time:

About this earthquake

On October 21, 2025 at 09:21 UTC, a magnitude M4.0 earthquake occurred near OFFSHORE GUERRERO, MEXICO (Mexico). With a focal depth of about 8 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by EMSC.

Details

Magnitude
M4.0
Depth
8.0 km
UTC time
2025-10-21 09:21:32 UTC
Local time
Country
Source
emsc
Coordinates
16.88600, -100.50300
Temperature
26.2°C

Map

Depth profile

Depth profile Depth: 8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8 km
Shallow
8 km
8 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

  • Toluca, Nevado de
    Distance: 259 km ·Stratovolcano ·Elevation: 4'680 m ·Last eruption: -1350 ·Mexico
  • Zitacuaro-Valle de Bravo
    Distance: 281 km ·Volcanic field ·Elevation: 3'500 m ·Last eruption: -3050 ·Mexico
  • Chichinautzin
    Distance: 288 km ·Volcanic field ·Elevation: 3'938 m ·Last eruption: 399 ·Mexico
  • Popocatepetl
    Distance: 310 km ·Stratovolcano(es) ·Elevation: 5'393 m ·Last eruption: 2026 ·Mexico
  • Iztaccihuatl
    Distance: 322 km ·Stratovolcano ·Elevation: 5'230 m ·Mexico
  • Jocotitlan
    Distance: 327 km ·Stratovolcano ·Elevation: 3'911 m ·Last eruption: 1270 ·Mexico

Historic earthquake map · Mexico

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Country statistics · Mexico

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