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Mexico · Oaxaca

M4.0 Earthquake near San Baltazar Chichicápam, Oaxaca (Mexico)

UTC time: 2026-05-01 17:18:55 UTC Local time: —
Magnitude
M4.0
Depth
65.7 km
Source
EMSC

Oaxaca · San Baltazar Chichicápam

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About this earthquake

On May 1, 2026 at 17:18 UTC, a magnitude M4.0 earthquake occurred near San Baltazar Chichicápam, Oaxaca (Mexico). With a focal depth of about 66 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. Mexico: 2 earthquakes were recorded in the past 24 hours, the strongest reaching M4.2.

Details

ID
3938bb3c0d102d6e5f1811b4fcbe661b4c7e552b
Magnitude
M4.0
Depth
65.7 km
UTC time
2026-05-01 17:18:55 UTC
Local time
—
Country
Mexico
State
Oaxaca
City
San Baltazar Chichicápam
Village
San Baltazar Chichicápam
Source
emsc
Coordinates
16.77800, -96.47700
Temperature
31.5°C

Depth profile

Depth profile Depth: 65.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 65.7 km
Shallow
65.7 km
65.7 km — deeper than the regional average (45.7 km)
Regional average: 45.7 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: 240 km ·Volcanic field ·Elevation: 1'660 m ·Last eruption: 1796 ·Mexico
  • Orizaba, Pico de
    Distance: 264 km ·Stratovolcano ·Elevation: 5'564 m ·Last eruption: 1846 ·Mexico
  • Serdan-Oriental Volcanic Field
    Distance: 296 km ·Volcanic field ·Elevation: 3'485 m ·Last eruption: -3920 ·Mexico
  • Malinche, La
    Distance: 318 km ·Stratovolcano ·Elevation: 4'461 m ·Last eruption: -1170 ·Mexico
  • Naolinco Volcanic Field
    Distance: 321 km ·Volcanic field ·Elevation: 2'000 m ·Last eruption: 1145 ·Mexico
  • Popocatepetl Activity reported
    Distance: 337 km ·Stratovolcano(es) ·Elevation: 5'393 m ·Last eruption: 2026 ·Mexico

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Xoxocotlán International AirportMexico · OAX · MMOX
    36.1 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

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

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View earthquake KPIs, strongest and latest events, and averages for this country.

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