The tectonic quake hit 17 kilometers southeast of Catbalogan at 3:43 a.m. and was felt at Intensity III in Palo, Leyte.
Phivolcs said there were no reported aftershocks. Tectonic pertains to the structure or movement of the earth’s crust.
The Philippines sits on the "Pacific Ring of Fire" where continental plates meet, causing frequent seismic and volcanic activity. – Helen Flores