A magnitude 5.6 earthquake with its epicenter near Pinotepa Nacional, Oaxaca, was registered on Monday morning, activating the seismic alert in Mexico City. While no damage has been reported yet, authorities are conducting monitoring and have initiated safety protocols. The seismic alert system in mobile devices did not sound due to ongoing maintenance for an upcoming national drill.

Un sismo de magnitud 6 se registró la mañana de este lunes 4 de mayo en Oaxaca y CDMX. <p>Un sismo <b>de magnitud 5.6</b> se registró la mañana de este lunes 4 de mayo, con epicentro a 14 kilómetros al noroeste de <b>Pinotepa Nacional, Oaxaca</b>, a dos días del <a href="https://www.elfinanciero.com.mx/cdmx/2026/05/03/simulacro-nacional-2026-en-cdmx-asi-sera-el-escenario-hipotetico-de-emergencia-en-el-monumento-a-la-revolucion/" rel="" target="_blank" title="https://www.elfinanciero.com.mx/cdmx/...