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Mexico · Oaxaca

M4.0 Earthquake near Santiago Pinotepa Nacional, Oaxaca (Mexico)

UTC time: 2026-09-11 01:21:10 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M4.0
Depth
11.9 km
Source
EMSC

Oaxaca · Santiago Pinotepa Nacional

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About this earthquake

On September 11, 2026 at 01:21 UTC, a magnitude M4.0 earthquake occurred near Santiago Pinotepa Nacional, Oaxaca (Mexico). With a focal depth of about 12 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 event was recorded by EMSC.

Depth profile

Depth profile Depth: 11.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.9 km
Shallow
11.9 km
11.9 km — shallower than the regional average (44.6 km)
Regional average: 44.6 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

  • Popocatepetl Activity reported
    Distance: 312 km ·Stratovolcano(es) ·Elevation: 5'393 m ·Last eruption: 2026 ·Mexico
  • Orizaba, Pico de
    Distance: 320 km ·Stratovolcano ·Elevation: 5'564 m ·Last eruption: 1846 ·Mexico
  • Iztaccihuatl
    Distance: 330 km ·Stratovolcano ·Elevation: 5'230 m ·Mexico
  • Malinche, La
    Distance: 331 km ·Stratovolcano ·Elevation: 4'461 m ·Last eruption: -1170 ·Mexico
  • Chichinautzin
    Distance: 339 km ·Volcanic field ·Elevation: 3'938 m ·Last eruption: 399 ·Mexico
  • Serdan-Oriental Volcanic Field
    Distance: 341 km ·Volcanic field ·Elevation: 3'485 m ·Last eruption: -3920 ·Mexico

Oaxaca

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 211 Catalogue entries

Of 210 other entries for this area and period, 120 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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