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Mexico · Oaxaca

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

UTC time: 2026-10-29 22:35:34 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
133.8 km
Source
EMSC

Oaxaca · Santa María Chimalapa

Country overview

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About this earthquake

On October 29, 2026 at 22:35 UTC, a magnitude M4.0 earthquake occurred near Santa María Chimalapa, Oaxaca (Mexico). At around 134 km, the focal depth places this among intermediate-depth events. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by EMSC. Mexico: over the past 24 hours, QuakeMap24 logged 12 earthquakes, the strongest at M3.6.

Details

ID
2082a2ba14b66b3839efad94c45f3c8e8210ee05
Magnitude
M4.0
Depth
133.8 km
UTC time
2026-10-29 22:35:34 UTC
Local time
—
Country
Mexico
State
Oaxaca
City
Santa María Chimalapa
County
Santa María Chimalapa
Source
emsc
Coordinates
17.10900, -94.36300
Temperature
24.5°C

Depth profile

Depth profile Depth: 133.8 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 133.8 km
Intermediate
133.8 km
133.8 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: 124 km ·Lava dome(s) ·Elevation: 1'150 m ·Last eruption: 1982 ·Mexico
  • San Martin
    Distance: 184 km ·Volcanic field ·Elevation: 1'660 m ·Last eruption: 1796 ·Mexico
  • Tacana
    Distance: 326 km ·Stratovolcano ·Elevation: 4'064 m ·Last eruption: 1986 ·Mexico-Guatemala
  • Tajumulco
    Distance: 349 km ·Stratovolcano ·Elevation: 4'203 m ·Guatemala
  • Orizaba, Pico de
    Distance: 374 km ·Stratovolcano ·Elevation: 5'564 m ·Last eruption: 1846 ·Mexico
  • Naolinco Volcanic Field
    Distance: 389 km ·Volcanic field ·Elevation: 2'000 m ·Last eruption: 1145 ·Mexico

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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