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M4.1 Depth: 64.5 km

M4.1 Earthquake near Santo Tomás de Arriba, Oaxaca (Mexico)

UTC time: 2026-08-27 17:31:53 UTC Local time: —

About this earthquake

A magnitude M4.1 earthquake was recorded near Santo Tomás de Arriba, Oaxaca (Mexico) on August 27, 2026 at 17:31 UTC. With a focal depth of about 65 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. 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.

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Depth profile

Depth profile Depth: 64.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 64.5 km
Shallow
64.5 km
64.5 km — deeper than the regional average (45.2 km)
Regional average: 45.2 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • San Martin
    Distance: 229 km ·Volcanic field ·Elevation: 1'660 m ·Last eruption: 1796 ·Mexico
  • Orizaba, Pico de
    Distance: 276 km ·Stratovolcano ·Elevation: 5'564 m ·Last eruption: 1846 ·Mexico
  • Serdan-Oriental Volcanic Field
    Distance: 309 km ·Volcanic field ·Elevation: 3'485 m ·Last eruption: -3920 ·Mexico
  • Chichon, El
    Distance: 326 km ·Lava dome(s) ·Elevation: 1'150 m ·Last eruption: 1982 ·Mexico
  • Naolinco Volcanic Field
    Distance: 329 km ·Volcanic field ·Elevation: 2'000 m ·Last eruption: 1145 ·Mexico
  • Malinche, La
    Distance: 335 km ·Stratovolcano ·Elevation: 4'461 m ·Last eruption: -1170 ·Mexico

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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