Two people died when huge rocks fell on their vehicle in Guatemala, after dozens of earthquakes were recorded in a matter of hours, authorities said. The two men killed were traveling in a pickup truck on a local road in the department of Escuintla Tuesday when the rocks fell from a hillside onto the vehicle, firefighters said.

A moderately strong, 5.7-magnitude earthquake struck in Guatemala on Tuesday, according to the United States Geological Survey. The temblor happened at 3:41 p.m. Central time about 10 miles southwest of Guatemala City, data from the agency shows. U.S.G.S. data earlier reported that the magnitude was 5.6.

A series of earthquakes rocked Guatemala on Tuesday afternoon, prompting authorities to ask residents to evacuate from buildings in case of further aftershocks.Mid-afternoon, a 5.2 quake shook southern Guatemala,