M4.3 Depth: 38.6 km

M4.3 Earthquake near OAXACA, MEXICO (Mexico)

UTC time: 2025-08-21 06:35:30 UTC Local time: —

About this earthquake

On August 21, 2025 at 06:35 UTC, a magnitude M4.3 earthquake occurred near OAXACA, MEXICO (Mexico). With a focal depth of about 39 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.

Details

Magnitude

M4.3

Depth

38.6 km

UTC time

2025-08-21 06:35:30 UTC

Local time

—

Country

Mexico

City

Oaxaca

Source

emsc

Coordinates

16.53110, -97.29160

Temperature

21.5°C

Map

Depth profile

Shallow

38.6 km

38.6 km — close to the regional average (46 km)

Regional average: 46 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: 278 km ·Stratovolcano ·Elevation: 5'564 m ·Last eruption: 1846 ·Mexico
Serdan-Oriental Volcanic Field

Distance: 305 km ·Volcanic field ·Elevation: 3'485 m ·Last eruption: -3920 ·Mexico
Malinche, La

Distance: 310 km ·Stratovolcano ·Elevation: 4'461 m ·Last eruption: -1170 ·Mexico
Popocatepetl

Distance: 311 km ·Stratovolcano(es) ·Elevation: 5'393 m ·Last eruption: 2026 ·Mexico
San Martin

Distance: 317 km ·Volcanic field ·Elevation: 1'660 m ·Last eruption: 1796 ·Mexico
Iztaccihuatl

Distance: 327 km ·Stratovolcano ·Elevation: 5'230 m ·Mexico

Historic earthquake map · Mexico

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Country statistics · Mexico

Country overview

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