M 4.6 earthquake off the coast of Tapachula, Mexico — August 4, 2026

M 4.6 earthquake off the coast of Tapachula, Mexico — August 4, 2026. Epicenter 146 km SW of Tapachula, depth 10 km, 01:07 Local (2026-08-04 07:07 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Off the coast of Tapachula (146 km SW, Mexico) — 14.2653, -93.4564