The earthquake, which struck at 10:47 p.m. local time, has a depth of 18.8 km. Its epicenter was 61 km from the city of Idlib, the capital of the namesake province.
The institute said the quake, which occurred at 2:10 a.m. local time, hit at a depth of 10 km, about 11 km southwest of Batuan town in Masbate province on the main island of Luzon, Xinhua news agency reported.