Cuba's government said Saturday it arrested an unspecified number of people who staged demonstrations when a hurricane left the island without power for the second time in weeks.

A 6.8 magnitude earthquake in the ocean 20 miles off Pilón, a town on the southern coast of the province of Granma in eastern Cuba, shook the region on Sunday minutes before noon, leaving no casualties but at least two children, among them a five-year-old, and two adults injured, Cuban state media said.

Hurricane Rafael blew through western Cuba on Wednesday night, flooding streets, damaging buildings and plunging millions of people into darkness. The country’s national power company said strong winds had caused the blackout.

Cuban authorities say they have arrested a number of people for disorderly behavior after protests over blackouts that stretched on for days broke out in recent weeks.

Two powerful earthquakes rocked southern Cuba in quick succession on Sunday, US geologists said, just days after the island was struck by a hurricane that knocked out power nationwide.

After weeks of hurricanes and blackouts have left many in Cuba reeling, an earthquake has left people shaken as rumbling was felt across the eastern stretch of the island, including in bigger cities like Santiago de Cuba,

The Weather Channel and our meteorologists.A strong 6.8 magnitude earthquake struck off Cuba’s coast, south of Santiago de Cuba around noon local time on Sunday. According to the U.S. Geological Survey,