Where was it located?

Mount Pinatubo is located in the Philippines which is a country situated in Southeast Asia in the western Pacific Ocean.  The Philippines are located on the Pacific Ring of Fire, an area prone to earthquakes and increased risk of volcanic activity due to shifting of tectonic plates that make up the area.  More specifically Pinatubo is located on the island of Luzon in the Cabusilan Mountains, 90 km northwest of the capital city of Manila.

Volcano Location and Measurements
Latitude: 15.13 North
Longitude: 120.35 East
Height: 1,745 meters before the June 15, 1991 eruption and 1, 485 meters after the eruption
Volcano Type: Stratovolcano

Smithsonian Institution - Global Volcanism Program, (1998)