A massive 7.4 magnitude earthquake struck near the Mexican state of Chiapas on Friday morning, prompting immediate tsunami warnings. The seismic event, occurring at 10:48 a.m. eT, threatened approximately one million people living along the Pacific coastline.

A surge of 22 seismic events in 30 days

The Chiapas region is currently experiencing an intense period of geological instability. As the report notes, this latest 7.4 magnitude tremor is the strongest of 22 seismic events recorded in the area over the last month.

This cluster of activity is a direct result of the region's location on the Pacific Ring of Fire . This 25,000-mile horseshoe-shaped belt contains roughly 75 percent of the Earth's active and dormant volcanoes and is responsible for nearly 90 percent of the world's earthquakes.

From Chiapas to Mexico City's 500-mile tremor

The reach of the earthquake extended far beyond the immediate epicenter near the Guatemala border. Residents in Mexico City,located more than 500 miles from the source,reported seeing lights flicker and feeling their homes shake.

Witnesses in El Salvador also reported significant movement during the event. A social media user from Usulután described a swaying sensation, while reports from Santa Tecla indicated the tremor was quite strong.

The National Tsunami Warning Center issued alerts for local coastlines to prepare for potential flooding and dangerous waves. However, the warning specifically clarified that there was no immediate tsunami danger for Alaska, British Columbia, or the U.S. West Coast.

The failure of the 'presidential alert' in Chiapas

The effectiveness of emergency communication systems remains a critical point of contention following the earthquake. While Oaxaca governor Salomón Jara Cruz urged citizens to remain calm and follow official channels, many residents expressed frustration on social media regarding the lack of warning.

Local residents have raised serious questions regarding the reliability of the "presidential alert" system. As the report highlights, some individuals on X (formerly Twitter) claimed the seismic alerts never sounded, even as they felt the ground move.

A tsunami threat for one million coastal residents

Authorities are currently monitoring the coastline for potential inundation from massive waves or strong currents.. although Salomón Jara Cruz stated that no significant damage has been reported as of Friday,the threat to one million people in low-lying zones remains a primary concern.

The region must now brace for inevitable aftershocks in the coming days.. Because shallow earthquakes like this one can be felt across much wider regions, the potential for subsequent tremors to cause damage remains high.