Types of volcanic eruptions can also be classified ... rock fragments and other volcanic materials. The 1991 Mount Pinatubo eruption is a classic example of explosive volcanism, described Britannica.

The crater lake emerged after Mt. Pinatubo erupted on June 15, 1991. The volcano lies within the 15,998 hectares covered by Certificate of Ancestral Domain Title (CADT) R03-BOT-0708-073.

Volcanoes inspire awe with spectacular eruptions ... as the 1991 eruption of Mount Pinatubo in the Philippines dramatically demonstrated. During an ashfall event, the most effective strategy ...