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M4.0 Depth: 147.0 km

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

UTC time: 2026-09-04 01:37:29 UTC Local time: —

About this earthquake

On September 4, 2026 at 01:37 UTC, a magnitude M4.0 earthquake occurred near Santa María Chimalapa, Oaxaca (Mexico). At around 147 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. Mexico: 5 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Map

Depth profile

Depth profile Depth: 147 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 147 km
Intermediate
147 km
147 km — deeper than the regional average (45.2 km)
Regional average: 45.2 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: 122 km ·Lava dome(s) ·Elevation: 1'150 m ·Last eruption: 1982 ·Mexico
  • San Martin
    Distance: 190 km ·Volcanic field ·Elevation: 1'660 m ·Last eruption: 1796 ·Mexico
  • Tacana
    Distance: 320 km ·Stratovolcano ·Elevation: 4'064 m ·Last eruption: 1986 ·Mexico-Guatemala
  • Tajumulco
    Distance: 343 km ·Stratovolcano ·Elevation: 4'203 m ·Guatemala
  • Orizaba, Pico de
    Distance: 380 km ·Stratovolcano ·Elevation: 5'564 m ·Last eruption: 1846 ·Mexico
  • Almolonga
    Distance: 392 km ·Stratovolcano ·Elevation: 3'173 m ·Last eruption: 1818 ·Guatemala

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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