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M5.1 Earthquake near 99 km WSW of Puerto Madero, Mexico

UTC time: 2026-07-18 01:49:02 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. How our reports are produced ↗

Magnitude
M5.1
Depth
10.0 km
Source
USGS

99 km WSW of Puerto Madero, Mexico

Map

M5.1 Earthquake near 99 km WSW of Puerto Madero, Mexico · 2026-07-18 — Map showing the location of the epicenter
M5.1 Earthquake near 99 km WSW of Puerto Madero, Mexico · 2026-07-18 — Map showing the location of the epicenter

About this earthquake

On July 18, 2026 at 01:49 UTC, a magnitude M5.1 earthquake occurred near 99 km WSW of Puerto Madero, Mexico. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can damage poorly built structures.

The data is provided by USGS and cross-checked across seismological networks.

Details

ID
c9c6c67c3c632674e1ae19ea74e33a5075d5da00
Magnitude
M5.1
Depth
10.0 km
UTC time
2026-07-18 01:49:02 UTC
Local time
—
Country
—
Source
usgs
Coordinates
14.36650, -93.26790
Temperature
31.5°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 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

Tectonic context

Located on the North America Plate.
Near the boundary Cocos ↔ North America · about 56 km away

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Huixtla121.9 kmNE32'033
Tapachula124.0 kmNE353'706
Tuxtla Gutiérrez265.9 kmN604'147

GeoNames · CC BY 4.0

Volcanoes nearby

  • Tacana
    Distance: 151 km ·Stratovolcano ·Elevation: 4'064 m ·Last eruption: 1986 ·Mexico-Guatemala
  • Tajumulco
    Distance: 165 km ·Stratovolcano ·Elevation: 4'203 m ·Guatemala
  • Santa Maria Activity reported
    Distance: 190 km ·Stratovolcano ·Elevation: 3'745 m ·Last eruption: 2026 ·Guatemala
  • Almolonga
    Distance: 194 km ·Stratovolcano ·Elevation: 3'173 m ·Last eruption: 1818 ·Guatemala
  • Atitlan
    Distance: 225 km ·Stratovolcano(es) ·Elevation: 3'535 m ·Last eruption: 1853 ·Guatemala
  • Toliman
    Distance: 225 km ·Stratovolcano(es) ·Elevation: 3'158 m ·Guatemala

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours12
First 24 hours34
First 72 hours102
Strongest subsequent eventM5.8
M4.52026-07-18 02:29:36 UTC46.2 km74 km SW of Puerto Madero, Mexico M4.02026-07-18 03:12:04 UTC49.7 kmOFFSHORE CHIAPAS, MEXICO M4.22026-07-18 03:22:19 UTC26.3 kmOFF COAST OF CHIAPAS, MEXICO M4.22026-07-18 04:09:52 UTC40.6 kmOFF COAST OF CHIAPAS, MEXICO M4.02026-07-18 04:13:54 UTC37.4 kmOFF COAST OF CHIAPAS, MEXICO M4.92026-07-18 04:28:52 UTC31.7 km71 km WSW of Puerto Madero, Mexico M4.32026-07-18 05:26:28 UTC14.8 kmOFFSHORE CHIAPAS, MEXICO M4.82026-07-18 06:10:14 UTC25.9 kmNear Coast of Chiapas, Mexico M5.32026-07-18 06:51:49 UTC19.7 kmNear Coast of Chiapas, Mexico M4.42026-07-18 07:20:47 UTC34.6 kmOFFSHORE CHIAPAS, MEXICO M4.32026-07-18 07:27:16 UTC29.7 kmOFF COAST OF CHIAPAS, MEXICO M4.42026-07-18 07:45:11 UTC42.5 kmOFFSHORE CHIAPAS, MEXICO

Comparison of seismic sources

4 sources currently report magnitudes from M5.1 to M5.4.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
GFZM5.410.0 km21.4 km
ISCM5.210.0 km20.5 km
USGSM5.110.0 km0.0 km
EMSCM5.418.0 km4.6 km

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#23
Earlier events M≥4447
Earlier events M≥531
Compared since2025-01-12

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M7.42026-07-17 14:48:41 UTC35.5 kmNear Coast of Chiapas, Mexico M6.02025-08-11 02:21:02 UTC118.7 kmNear Coast of Oaxaca, Mexico M6.02025-08-11 02:21:00 UTC133.1 km M6.02025-08-09 20:40:59 UTC139.7 kmOff Coast of Chiapas, Mexico M6.02025-08-09 20:40:59 UTC133.0 km101 km SSW of Champerico, Guatemala

Stats (last 24h)

Global (24h)
503
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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