MANILA, Philippines — A magnitude 4.1 earthquake struck Abra on Saturday, according to the Philippine Institute of Volcanology and Seismology (Phivolcs).
Phivolcs detected the earthquake at 4:15 a.m. and traced its epicenter eight kilometers northwest of Lagayan, Abra.
The tectonic earthquake’s depth of focus was three kilometers.
State seismologists measured the tremor at Instrumental Intensity I in Vigan City in Ilocos Sur and Bangued, Abra.
No aftershocks and damage are expected, Phivolcs said.
Abra was rocked by two powerful earthquakes this year.
This earthquake was followed by amagnitude 6.4 earthquake in October, which was felt as far as Metro Manila.