MEXICO CITY (AP) — A strong earthquake rattled southern and central Mexico on Friday, interrupting President Claudia Sheinbaum’s first press briefing of the new year as seismic alarms sounded.

The earthquake had a preliminary magnitude of 6.5 and its epicenter was near the town of San Marcos in the southern state of Guerrero near the Pacific coast resort of Acapulco, according to Mexico’s national seismological agency.

The U.S. Geological Survey said the earthquake occurred at a depth of 21.7 miles (35 kilometers), 2.5 miles north-northwest of Rancho Viejo, Guerrero, which is in the mountains about 57 miles northeast of Acapulco.

Sheinbaum resumed her press briefing a short time later and said that she had spoken with Guerrero's Gov. Evelyn Salgado, who told her there was no serious damage reported so far.

Residents and tourists in Mexico City and Acapulco rushed into the streets when the shaking began.