A strong 6.1 magnitude earthquake shook northern Mindoro island and Metro Manila at 1:29 p.m. Thursday, the US Geological Survey said.

There were no immediate reports of damage or injuries from the quake whose magnitude was placed at 6 by the Philippine Institute of Volcanology and Seismology.

The undersea tremor struck 27 kilometers west of Lubang Island in Occidental Mindoro at a shallow depth of 25 kilometers.

It was felt in the following areas:

Intensity V: Looc, Lubang Island (Occidental Mindoro); Manila
Intensity IV: Quezon City; Mandaluyong City; Makati City; Pasay City; Talisay,Batangas; Taguig City; Pasig City
Intensity III: Bagac, Bataan; Canlubang, Laguna; Clark, Pampanga; Rosario, Trece Martires, Cavite; Marikina City; Tagaytay City
Intensity II: Calamba, Laguna; Legaspi City; Puerto Galera, Oriental Mindoro

Rowena Sanz, supervisor of the Provincial Disaster Response Team, told The Mindoro Post the quake was barely felt in Calapan City.

The Philippines sits on the Pacific Ring of Fire where continental plates collide causing frequent seismic and volcanic activity.