Overview

• Regional networks logged a magnitude 4.4 event near Manzanillo at 21:55 local time on September 3, with coordinates near 19.16°N, 104.23°W and depth about 16 km.
• State and municipal protection units conducted coastal inspections and reported no affectations in Colima or neighboring Jalisco municipalities.
• The Servicio Sismológico Nacional recorded a separate magnitude 4.2 quake at 05:28 on September 4, 33 km southwest of Sayula de Alemán, Veracruz, at 42 km depth, with no reported consequences.
• SASMEX was not activated for either event because measured magnitudes and distances did not meet alert thresholds, authorities said.
• A widely shared clip shows moviegoers calmly evacuating a Manzanillo cinema during the 4.4 quake, underscoring public readiness even in low‑intensity tremors.