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Mexico · Oaxaca

M4.1 Earthquake near Santa María Chimalapa, Oaxaca (Mexico)

UTC time: 2026-10-18 09:17:41 UTC Local time: —
Magnitude
M4.1
Depth
130.5 km
Source
EMSC

Oaxaca · Santa María Chimalapa

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About this earthquake

On October 18, 2026 at 09:17 UTC, a magnitude M4.1 earthquake occurred near Santa María Chimalapa, Oaxaca (Mexico). The earthquake originated at an intermediate depth of about 131 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: 3 earthquakes were recorded in the past 24 hours, the strongest reaching M4.2.

Details

ID
32a23953b6808dd78dd8b0a64f3d6bb16c4bdee5
Magnitude
M4.1
Depth
130.5 km
UTC time
2026-10-18 09:17:41 UTC
Local time
—
Country
Mexico
State
Oaxaca
City
Santa María Chimalapa
County
Santa María Chimalapa
Source
emsc
Coordinates
17.11300, -94.67800
Temperature
18.0°C

Depth profile

Depth profile Depth: 130.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 130.5 km
Intermediate
130.5 km
130.5 km — deeper than the regional average (45.6 km)
Regional average: 45.6 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: 156 km ·Lava dome(s) ·Elevation: 1'150 m ·Last eruption: 1982 ·Mexico
  • San Martin
    Distance: 170 km ·Volcanic field ·Elevation: 1'660 m ·Last eruption: 1796 ·Mexico
  • Orizaba, Pico de
    Distance: 347 km ·Stratovolcano ·Elevation: 5'564 m ·Last eruption: 1846 ·Mexico
  • Tacana
    Distance: 352 km ·Stratovolcano ·Elevation: 4'064 m ·Last eruption: 1986 ·Mexico-Guatemala
  • Naolinco Volcanic Field
    Distance: 366 km ·Volcanic field ·Elevation: 2'000 m ·Last eruption: 1145 ·Mexico
  • Tajumulco
    Distance: 375 km ·Stratovolcano ·Elevation: 4'203 m ·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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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Mexico

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

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