MANILA, Philippines - Two moderate earthquakes rocked Negros Occidental and parts of the Bicol region yesterday but there were no immediate reports of damage or injuries, state seismologists said.
The Philippine Institute of Volcanology and Seismology (Phivolcs) said a magnitude 4.6 quake struck 24 kilometers southwest of Hinoba-an, Negros Occidental at 3:12 a.m.
It was felt at Intensity 3 in Hinoba-an and Intensity 2 in Sipalay City, Negros Occidental.
Another tremor, which registered at magnitude 3.8, occurred at 10:27 a.m. Its epicenter was traced 46 kms northwest of Virac, Catanduanes, Phivolcs said.
It was felt at Intensity 3 in Naga City and Intensity 2 in Virac, Catanduanes, and Legazpi City, Albay.
Phivolcs said it was not expecting any damage or aftershocks from the tremors.
Phivolcs defines intensity as the strength of seismic shaking while magnitude is the measurement of energy released by an earthquake.