A massive earthquake rocked Mexico this morning. The tremor continued several minutes and measured 7.3. Its center was off the coast near Guatemala. The jolt arrived at 11:10am local time. Intense shaking spread fast. Tsunami notifications went up at once. Mexico and Guatemala faced alerts for significant waves. Coastal residents moved quickly to higher ground. Aftershocks persisted, some strong. The biggest aftershock hit 5.0. No big damage or injuries were reported yet. Homes and streets stayed quiet in Chiapas and nearby areas. Tsunami alerts remained for hours. They were later cancelled as seas stayed calm.