A magnitude 6.7 earthquake has struck Ecuador.

According to the US Geographical Survey, the quake's epicentre was 36 miles south of the city of Esmeraldas, at a depth of 6.2 miles.

A destructive Pacific-wide tsunami was not expected, the Pacific Tsunami Warning Center said in a statement.

There was no report of significant damage, but electricity was cut in some coastal areas. However, people ran into the streets as far away as the highland capital Quito, according to witnesses, suggesting fears over earthquakes remain strong.

Ecuador earthquake in pictures Show all 16 1 /16 Ecuador earthquake in pictures Ecuador earthquake in pictures Ecuador earthquake in pictures Ecuador earthquake in pictures Ecuador earthquake in pictures Ecuador earthquake in pictures Ecuador earthquake in pictures People stand amongst the rubble of fallen homes in Manta, after a powerful 7.8-magnitude earthquake struck Ecuador Ecuador earthquake in pictures A collapsed bridge after a 7.8 magnitude earthquake hit the city of Guayaquil, Ecuador, late 16 April 2016. At least 77 people were killed and hundreds injured in an earthquake affecting the Ecuadoran northern coastal region. EPA/Freddy Constante Ecuador earthquake in pictures Police officers stand next to a collapsed overpass in Guayaquil, Ecuador, Saturday April 16 2016. The strongest earthquake to hit Ecuador in decades flattened buildings and buckled highways along the country's coast, killing at least 41 people and causing damage hundreds of kilometres away from the epicenter in the capital and other major cities. AP Photo/Jeff Castro Ecuador earthquake in pictures Rescue workers work to pull out survivors trapped in a collapsed building after a huge earthquake struck, in the city of Manta early on April 17 2016. At least 41 people were killed when a powerful 7.8-magnitude earthquake struck Ecuador, destroying buildings and sending terrified residents dashing from their homes, authorities said late on April 16. Ariel Ochoa/AFP/Getty Images Ecuador earthquake in pictures People walk near a damaged house after an earthquake struck off the Pacific coast in Manta, Ecuador, April 16 2016. REUTERS/Paul Ochoa Ecuador earthquake in pictures People stand on the debris of a building after an earthquake struck off the Pacific coast in Manta, Ecuador, April 16 2016. REUTERS/Paul Ochoa Ecuador earthquake in pictures People gather next to a collapsed house in Guayaquil on April 17, 2016. At least 41 people have been killed by the powerful earthquake that struck western Ecuador on Saturday and the toll will likely rise further, the country's Vice President Jorge Glas said. JOSE SANCHEZ L/AFP/Getty Images Ecuador earthquake in pictures People stand amongst the rubble of fallen homes in Manta on April 17, 2016, after a powerful 7.8-magnitude earthquake struck Ecuador on April 16. At least 77 people were killed when a powerful 7.8-magnitude earthquake struck Ecuador, destroying buildings and a bridge and sending terrified residents scrambling from their homes, authorities in the Latin American country said on April 17. JUAN CEVALLOS/AFP/Getty Images Ecuador earthquake in pictures View of rubble after a 7.8-magnitude quake in Portoviejo, Ecuador on April 17, 2016. At least 77 people were killed when a powerful earthquake struck Ecuador, destroying buildings and a bridge and sending terrified residents scrambling from their homes, authorities said Sunday. JUAN CEVALLOS/AFP/Getty Images Ecuador earthquake in pictures People help clean rubble after a 7.8-magnitude quake in Portoviejo, Ecuador on April 17, 2016. At least 77 people were killed when a powerful earthquake struck Ecuador, destroying buildings and a bridge and sending terrified residents scrambling from their homes, authorities said Sunday. JUAN CEVALLOS/AFP/Getty Images Ecuador earthquake in pictures People watch a collapsed house in Guayaquil on April 17, 2016. At least 41 people have been killed by the powerful earthquake that struck western Ecuador on Saturday and the toll will likely rise further, the country's Vice President Jorge Glas said. JOSE SANCHEZ L/AFP/Getty Images

President Rafael Correa said the epicenter was the fishing village of Mompiche on the Pacific coast, and only some "small damages" had been caused.

"All quiet," he tweeted. "[People from] Quito can return to their homes."

A national emergency committee had been convened but is due to be deactivated, the president said.