A sharp tremor jolted the Pacific seaboard of southern Mexico during the quiet, pre-dawn hours of Saturday. The offshore event occurred amid the typical tropical humidity that characterizes the coastal lowlands of Chiapas.
Seismologists registered the event at 06:51:49 UTC, waking residents in nearby coastal communities and the major regional hub of Tapachula. Light swaying was reported in high-rise structures as far away as Tuxtla Gutiérrez.
The earthquake registered a magnitude of 5.6, originating at a shallow depth beneath the ocean floor. Local authorities reported no immediate casualties or significant structural damage in the port of Puerto Madero.
Geological Analysis
This coastal region of Chiapas is situated along the highly active Cocos-North America plate boundary. The tectonic interface here is defined by the Middle America Trench, a major subduction zone capable of producing powerful seismic events.
Today's moderate rupture reflects the ongoing stress release along this subduction interface. Monitoring stations continue to record minor aftershocks, which are typical for an event of this scale in this geological setting.
Our editorial team carefully monitors seismic data to provide in-depth analysis. Explore our real-time interactive Live Map for more details.