PHOTOS: Massive quake strikes off Mexican coast, damaging buildings

MEXICO (KABC) -- A massive earthquake struck off the coast of Mexico, crumbling buildings as people fled in their pajamas and at least several people in various Mexican states were killed.

The U.S. Geological Survey said the quake struck at 11:49 p.m. Thursday local time and its epicenter was 102 miles west of Tapachula in southern Chiapas state not far from Guatemala. It had a depth of 22 miles.

The quake was so powerful that frightened residents in Mexico City more than 650 miles away fled apartment buildings, often in their pajamas, and gathered in groups in the street.