The first 5.9 magnitude quake centered about 15 miles northwest of Quininde with a depth of 6.2 miles, according to Ecuador's Geophysical Institute. Initially it was measured at 6.5 with shakes felt throughout the region.
Several minutes later a second but stronger earthquake with a preliminary magnitude of 6.2 struck the same region.
No details or reports on casualties or damage are available at the moment.
In April, Ecuador was hit by a 7.8-magnitude earthquake that killed hundreds of people, injuring over 12,000 and causing serious damage along the country's Pacific coast.
In May, a 6.7 and a 6.8 magnitude earthquakes hit Ecuador's western coast, injuring dozens of people.