A 7.6 magnitude earthquake shakes Mexico on the anniversary of two previous quakes

People gather outside after a magnitude 7.6 earthquake was felt in Mexico City on Monday, Sept. 19. The quake hit at 1:05 p.m. local time, according to the U.S. Geologic Survey, which said the quake was centered near the boundary of Colima and Michoacan states. (Fernando Llano/AP)

MEXICO CITY — A magnitude 7.6 earthquake shook Mexico's central Pacific coast on Monday, killing at least one person and setting off a seismic alarm in the rattled capital on the anniversary of two earlier devastating quakes.

There were at least some early reports of damage to buildings from the quake, which hit at 1:05 p.m. local time, according to the U.S. Geologic Survey, which had initially put the magnitude at 7.5.