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Mexico · Oaxaca

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

UTC time: 2026-10-16 17:58:17 UTC Local time: —
Magnitude
M4.0
Depth
143.3 km
Source
EMSC

Oaxaca · Santa María Chimalapa

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About this earthquake

A magnitude M4.0 earthquake was recorded near Santa María Chimalapa, Oaxaca (Mexico) on October 16, 2026 at 17:58 UTC. The earthquake originated at an intermediate depth of about 143 km. 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: 4 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
ec77b9841944aa6899a0195ee9a481286fcc40bf
Magnitude
M4.0
Depth
143.3 km
UTC time
2026-10-16 17:58:17 UTC
Local time
—
Country
Mexico
State
Oaxaca
City
Santa María Chimalapa
County
Santa María Chimalapa
Source
emsc
Coordinates
16.97700, -94.15200
Temperature
21.7°C

Depth profile

Depth profile Depth: 143.3 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 143.3 km
Intermediate
143.3 km
143.3 km — deeper than the regional average (45.7 km)
Regional average: 45.7 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: 107 km ·Lava dome(s) ·Elevation: 1'150 m ·Last eruption: 1982 ·Mexico
  • San Martin
    Distance: 208 km ·Volcanic field ·Elevation: 1'660 m ·Last eruption: 1796 ·Mexico
  • Tacana
    Distance: 300 km ·Stratovolcano ·Elevation: 4'064 m ·Last eruption: 1986 ·Mexico-Guatemala
  • Tajumulco
    Distance: 323 km ·Stratovolcano ·Elevation: 4'203 m ·Guatemala
  • Almolonga
    Distance: 372 km ·Stratovolcano ·Elevation: 3'173 m ·Last eruption: 1818 ·Guatemala
  • Santa Maria Activity reported
    Distance: 372 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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