A 7.4 tremor struck Mexico’s Pacific coast just before 6 a.m. on Friday.
A extensive tsunami alert was released for coastal strips along Mexico and Guatemala soon after.
The ground continually trembled, shaking towns further north into Guatemala and El Salvador also.
Shortly after 4 a.m., a 7.3 quake trembled the same area.
No accounts of injury or cracked buildings came in after the warnings.