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Mexico · Oaxaca

M4.0 Earthquake near Chacahua, Oaxaca (Mexico)

UTC time: 2026-10-18 14:39:02 UTC Local time: —

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About this earthquake

A magnitude M4.0 earthquake was recorded near Chacahua, Oaxaca (Mexico) on October 18, 2026 at 14:39 UTC. The hypocenter lay relatively close to the surface at around 13 km, increasing how strongly it was felt. 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: over the past 24 hours, QuakeMap24 logged 3 earthquakes, the strongest at M4.2.

Details

ID
d7bcfbbe5eda4f5200d4bb06a8e9d73af88eb478
Magnitude
M4.0
Depth
13.1 km
UTC time
2026-10-18 14:39:02 UTC
Local time
—
Country
Mexico
State
Oaxaca
City
Chacahua
County
Tututepec
Source
emsc
Coordinates
15.97600, -97.68900
Temperature
29.4°C

Depth profile

Depth profile Depth: 13.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13.1 km
Shallow
13.1 km
13.1 km — shallower than the regional average (45.6 km)
Regional average: 45.6 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

  • Orizaba, Pico de
    Distance: 342 km ·Stratovolcano ·Elevation: 5'564 m ·Last eruption: 1846 ·Mexico
  • Popocatepetl Activity reported
    Distance: 353 km ·Stratovolcano(es) ·Elevation: 5'393 m ·Last eruption: 2026 ·Mexico
  • Malinche, La
    Distance: 364 km ·Stratovolcano ·Elevation: 4'461 m ·Last eruption: -1170 ·Mexico
  • Serdan-Oriental Volcanic Field
    Distance: 367 km ·Volcanic field ·Elevation: 3'485 m ·Last eruption: -3920 ·Mexico
  • Iztaccihuatl
    Distance: 370 km ·Stratovolcano ·Elevation: 5'230 m ·Mexico
  • Chichinautzin
    Distance: 385 km ·Volcanic field ·Elevation: 3'938 m ·Last eruption: 399 ·Mexico

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

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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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