MANILA — Mild earthquakes shook the provinces of Ilocos Norte, Surigao del Norte, and Cagayan on Wednesday, according to the Philippine Institute of Volcanology and Seismology (Phivolcs).
In its bulletin, Phivolcs said the first quake with a magnitude of 3.0 occurred at 12:20 a.m.
The epicenter of the quake was traced some 19 kilometers southeast of Carasi in ilocos Norte.
The quake, which was tectonic in origin, had a depth of 12 kilometers.
The second quake with a magnitude 3.4 occurred around 12:58 a.m. with the epicenter traced some 40 kilometers northwest of Burgos in Surigao del Norte.
The quake, which was also tectonic in origin, had a depth of eight kilometers.
On the other hand, the other tremor with a magnitude of 4.1 happened at 9:54 a.m.
Phivolcs said its epicenter was estimated 102 kilometers northwest of Calayan in Cagayan.
It said the temblor, which was also tectonic in origin, had a shallow depth of 28 kilometers.
Meanwhile, Phivolcs said there was no 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.