Installing volcano monitoring equipment at Mt. Pinatubo. Usually we train local scientists to operate and maintain the equipment, which we invariably give to the host country. It's a nice feeling ...

Damage from volcanic ash at Clark Air Force Base in the Philippines after the June 15, 1991, eruption of Mount Pinatubo. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...

Arleigh Pudlick, Becker, Minnesota No volcano has come close. The Earth’s atmosphere rises about 300 miles, in six layers. The highest volcanic column measured on Earth, from Mount Pinatubo in ...