Back to map
Mexico · Oaxaca

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

UTC time: 2026-08-23 22:09:13 UTC Local time: —
Magnitude
M4.0
Depth
136.7 km
Source
EMSC

Oaxaca · Santa María Chimalapa

Country overview

Map

About this earthquake

A magnitude M4.0 earthquake was recorded near Santa María Chimalapa, Oaxaca (Mexico) on August 23, 2026 at 22:09 UTC. At around 137 km, the focal depth places this among intermediate-depth events. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by EMSC and cross-checked across seismological networks.

Details

ID
35fd69645d9d201237c8c488d6600ab1af7e1a21
Magnitude
M4.0
Depth
136.7 km
UTC time
2026-08-23 22:09:13 UTC
Local time
—
Country
Mexico
State
Oaxaca
City
Santa María Chimalapa
County
Santa María Chimalapa
Source
emsc
Coordinates
16.97300, -94.22700
Temperature
20.4°C

Depth profile

Depth profile Depth: 136.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 136.7 km
Intermediate
136.7 km
136.7 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: 114 km ·Lava dome(s) ·Elevation: 1'150 m ·Last eruption: 1982 ·Mexico
  • San Martin
    Distance: 204 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

Open history map
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.

Share