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Mexico · Oaxaca

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

UTC time: 2026-08-23 19:46:56 UTC Local time: —
Magnitude
M4.1
Depth
131.7 km
Source
EMSC

Oaxaca · Santa María Chimalapa

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About this earthquake

On August 23, 2026 at 19:46 UTC, a magnitude M4.1 earthquake occurred near Santa María Chimalapa, Oaxaca (Mexico). At around 132 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.

Details

ID
6dc083b3ffc96e3ade39c78c30b7572f05c36ec0
Magnitude
M4.1
Depth
131.7 km
UTC time
2026-08-23 19:46:56 UTC
Local time
—
Country
Mexico
State
Oaxaca
City
Santa María Chimalapa
County
Santa María Chimalapa
Source
emsc
Coordinates
16.75300, -94.10000
Temperature
22.3°C

Depth profile

Depth profile Depth: 131.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 131.7 km
Intermediate
131.7 km
131.7 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: 115 km ·Lava dome(s) ·Elevation: 1'150 m ·Last eruption: 1982 ·Mexico
  • San Martin
    Distance: 232 km ·Volcanic field ·Elevation: 1'660 m ·Last eruption: 1796 ·Mexico
  • Tacana
    Distance: 279 km ·Stratovolcano ·Elevation: 4'064 m ·Last eruption: 1986 ·Mexico-Guatemala
  • Tajumulco
    Distance: 302 km ·Stratovolcano ·Elevation: 4'203 m ·Guatemala
  • Almolonga
    Distance: 352 km ·Stratovolcano ·Elevation: 3'173 m ·Last eruption: 1818 ·Guatemala
  • Santa Maria Activity reported
    Distance: 352 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.

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