Mexico Issues Tsunami Alert After Magnitude 7.4 Earthquake in Chiapas

The Mexican Navy issued a preventive tsunami alert on Friday after a magnitude 7.4 earthquake struck the state of Chiapas ^[1].

This emergency response aims to protect residents in coastal zones from potential surges following the powerful seismic event. Because the earthquake occurred near the coast, authorities are monitoring the region for secondary hazards that could threaten lives and infrastructure.

The earthquake's epicenter was located near Ciudad Hidalgo, Chiapas ^[4]. While some initial reports listed the magnitude at 6.8 ^[2], later adjustments placed the event at 7.4 ^[1]. Local civil protection authorities coordinated with the Secretaría de Marina to manage the response and ensure public safety.

Authorities said people should avoid beaches in the affected coastal zones of the Costa Grande and areas near Mapaxtepec ^[5]. These preventive measures were activated to mitigate risks while officials assessed the potential for a tsunami.

Following the primary quake, monitoring systems recorded six aftershocks ^[3]. These tremors continued to unsettle the region as emergency teams began reviewing possible damages across the state. Some reports indicate that up to 30 municipios may have been affected by the shaking ^[6].

The Secretaría de Marina said the alert was a precautionary measure to ensure the population remained away from high-risk areas until the threat subsided. Local officials said they continue to monitor seismic activity to determine when it is safe for residents to return to the shoreline.