A 6.1-magnitude earthquake struck off the Pacific Coast of southwestern Guatemala on Monday night, according to the U.S. Geological Survey.
The earthquake happened just after 9 p.m. local time at a depth of 80 kilometres, the U.S. agency said.
Its epicentre was located 110 kilometres south of the Central American country's capital of Guatemala City.
Guatemala disaster agency spokesman Benedicto Giron says power and telephone service were briefly interrupted.
Authorities said there are no immediate reports of injuries or major damage.