Mild earthquakes shook the provinces of Masbate, Surigao del Norte and Occidental Mindoro on the first day of the year 2015, according to the Philippine Institute of Volcanology and Seismology (Phivolcs) on Thursday.
In its bulletin, Phivolcs said the first quake with a magnitude of 4.2 occurred at 12:32 a.m.
The epicenter of the quake was traced some 16 kilometers northeast of Esperanza in Masbate.
The quake, which was tectonic in origin, had a depth of nine kilometers, it said.
Phivolcs said the second quake with a magnitude 3.1 occurred around 5:10 a.m. with epicenter traced some seven kilometers southeast of General Luna in Surigao del Norte.
The quake, which was tectonic in origin, had a depth of seven kilometers, it added.
On the other hand, the third tremor with a magnitude of 3.2 happened at 6:36 a.m. and its epicenter was estimated 13 kilometers southeast of Looc in Occidental Mindoro.
Phivolcs said the temblor, which was tectonic in origin, had a shallow depth of 50 kilometers.
According to Phivolcs, there was no casualty or damage reported from the three tremors.
It added that no aftershocks are expected from these quakes.
The Philippines lies on the Pacific Ring of Fire, where 20 to 25 earthquakes per day — mostly imperceptible — are common, Phivolcs said. PNA