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Mexico · Oaxaca

M4.0 Earthquake near Santa María Chimalapa, Oaxaca (Mexico)

UTC time: 2026-10-29 17:48:43 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded Content updated:

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.0
Depth
131.1 km
Source
EMSC

Oaxaca · Santa María Chimalapa

Country overview

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About this earthquake

A magnitude M4.0 earthquake was recorded near Santa María Chimalapa, Oaxaca (Mexico) on October 29, 2026 at 17:48 UTC. At around 131 km, the focal depth places this among intermediate-depth events. 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. Mexico: 12 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Details

ID
bec386fc7ff4dcbe6daf17f4b294a1e527e696ea
Magnitude
M4.0
Depth
131.1 km
UTC time
2026-10-29 17:48:43 UTC
Local time
—
Country
Mexico
State
Oaxaca
City
Santa María Chimalapa
County
Santa María Chimalapa
Source
emsc
Coordinates
16.92200, -94.27100
Temperature
26.2°C

Depth profile

Depth profile Depth: 131.1 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 131.1 km
Intermediate
131.1 km
131.1 km — deeper than the regional average (44 km)
Regional average: 44 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Chichon, El
    Distance: 121 km ·Lava dome(s) ·Elevation: 1'150 m ·Last eruption: 1982 ·Mexico
  • San Martin
    Distance: 207 km ·Volcanic field ·Elevation: 1'660 m ·Last eruption: 1796 ·Mexico
  • Tacana
    Distance: 305 km ·Stratovolcano ·Elevation: 4'064 m ·Last eruption: 1986 ·Mexico-Guatemala
  • Tajumulco
    Distance: 328 km ·Stratovolcano ·Elevation: 4'203 m ·Guatemala
  • Almolonga
    Distance: 377 km ·Stratovolcano ·Elevation: 3'173 m ·Last eruption: 1818 ·Guatemala
  • Santa Maria Activity reported
    Distance: 378 km ·Stratovolcano ·Elevation: 3'745 m ·Last eruption: 2026 ·Guatemala

Oaxaca

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 214 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

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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