MANILA - A magnitude 5.1 tremor on Thursday struck off Surigao del Norte, Phivolcs said.
It struck at 12:44 p.m., 75 kilometers northeast of Burgos town in Surigao del Norte.
It was tectonic in origin and had a depth of 3 kilometers, according to Phivolcs.
Instrumental Intensity I was reported in Surigao City.
The tremor was not expected to cause damage but could cause aftershocks.