Shallow M5.3 AFTERSHOCK struck on Saturday Evening in the North Pacific Ocean 134km from Tapachula (Mexico).

Written by Earthquakelist.org on July 19th, 2026. Last updated August 10th, 2026.

In the evening of Saturday July 18th, 2026, a shallow and significant MAG-5.3 aftershock hit in the North Pacific Ocean 134 kilometer from Tapachula, Mexico. Another nearby country is Guatemala.

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Earthquake Summary

This earthquake hit under water in the North Pacific Ocean, 108 kilometers (67 mi) off the coast of Mexico, 134 kilometer southwest of Tapachula in Chiapas. The center of this earthquake had a very shallow depth of 10 km. Shallow earthquakes usually have a larger impact than earthquakes deep in the earth.

Date and Time:	Jul 18, 2026 19:47 (Mexico City Time) - Jul 19, 2026 01:47 Universal Time.
Location:	134 km SW of Tapachula, Chiapas, Mexico. Coordinates 13°58'5"N 93°2'30"W.
Map:	Map of area around epicenter. Click to open in Google Maps.
Magnitude:	MAG 5.3 Detected by 75 stations. Maximum Error Range ±0.036 .
Depth:	10 km (6 mi) A very shallow depth.
Tsunami Risk:	Low tsunami risk Earthquakes under MAG-6.5 do not usually cause tsunami's. Always stay cautious - More info here.

Nearby towns and cities

2 countries can be found within 300km of the epicenter of this earthquake: Mexico and Guatemala .

The closest significant population center near the earthquake is Tapachula in Chiapas, Mexico. Tapachula is located 134 kilometer (83 mi) southwest of the epicenter.

Multiple large cities are in proximity of today's earthquake. Guatemala City is located 283 km to the east. Mixco is located 272 km to the east. Tapachula is located 134 km to the north-east.

The table below provides an overview of all places in proximity of today's earthquake.

Overview of nearby places

This is likely an aftershock

This earthquake was an aftershock. A larger mag. 7.3 earthquake struck 76 km (47 mi) north in advance of this 5.3 earthquake around 1 day earlier.

Overview of foreshocks and aftershocks

More earthquakes coming?

The risk of aftershocks decreases rapidly over time. Usually, aftershocks are at least one order of magnitude lower than a main shock.

The chance that a significant earthquake like this one is followed by an even larger earthquake is not so large. On average, scientists estimate a 94% chance that a major earthquake will not be followed by an even larger one. It is still adviced to be aware of this risk

Earthquakes like this happen often in the region

Earthquakes of this strength are very common in the region. In total, 103 earthquakes with a magnitude of 5.3 or higher have been registered within 300km (186 mi) of this epicenter in the past 10 years. This comes down to an average of once every month.

Low tsunami risk

Based on early data it appears this earthquake was not strong enough (lower than MAG-6.5) to be likely to cause destructive tsunami's. However this earthquake appeared to have hit at a shallow depth under sea, so stay cautious and monitor advice from local authorities.

Tsunami Risk Factors

Sources

Last updated 10/08/26 01:48 (). This article contains currently available information about the earthquake and is automatically composed. We continue to update this article up to a few days after the earthquake occurred.

1. US Geographic Society (USGS): Earthquake us7000t1q3
2. European-Mediterranean Seismological Centre (EMSC): Earthquake 20260719_0000019
3. Geonames.org: World Cities Database
4. Google Maps: Static API
5. Earthquakelist.org: Historic Earthquakes Database

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