A powerful earthquake rocked Mexico this morning. The tremor ran 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 alerts went up at once. Mexico and Guatemala faced alerts for significant waves. People along the shore moved quickly to higher ground. Aftershocks persisted, some strong. The biggest aftershock reached 5.0. No major damage or injuries reported yet. Homes and streets were quiet in Chiapas and nearby areas. Tsunami alerts were active for hours. They were later cancelled as seas stayed calm.