M4.0 Depth: 65.7 km

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

UTC time: 2026-05-01 17:18:55 UTC Local time:

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: 3 earthquakes were recorded in the past 24 hours, the strongest reaching M4.9.

Details

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

Map

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 (47.5 km)
Regional average: 47.5 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
    Distance: 337 km ·Stratovolcano(es) ·Elevation: 5'393 m ·Last eruption: 2026 ·Mexico

Historic earthquake map · Mexico

Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Mexico

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

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