An offshore earthquake with a preliminary magnitude of 6.4 rocked Cagayan province in the northern Philippines Tuesday night, the Philippine Institute of Volcanology and Seismology said.
The institute said the quake, which occurred at 7:03 p.m. local time, hit at a depth of 10 kilometers, about 26 kilometers northwest of Dalupiri Island in Calayan town.
The institute said the tectonic quake will trigger a