A powerful earthquake shook 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. Severe shaking spread fast. Tsunami notifications 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 hit 5.0. No significant damage or injuries reported so far. Homes and streets remained quiet in Chiapas and nearby areas. Tsunami alerts remained for hours. They were later removed as seas remained calm.