Mount Pinatubo erupted violently the 14th century and sent a cloud of steam and ash 10 miles into the sky. Warning sirens and church bells sounded at Clark Air Base Command and surrounding communities. Terrified residents clogged roads in the area of Pinatubo . ; Rollie Rimando, another volcanologist, said a major eruption could hurl debris and poisonous gases in a 12-mile radius, affecting both the base and parts of Angeles. Philippines and Subic volcanologists believed that more eruptions would follow and that everyone within 10 miles of Pinatubo should evacuate immediately. Communications with scientists taking measurements on the mountain were unsuccessful. It is known that this team had planned to make a helicopter flight over the mountain to check the size of the lava dome inside the volcano.
Mount Pinatubo erupted violently the 14th century and sent a cloud of steam and ash 10 miles into the sky. Warning sirens and church bells sounded at Clark Air Base Command and surrounding communities. Terrified residents clogged roads in the area of Pinatubo . Philippines and Subic volcanologists believed that more eruptions would follow and that everyone within 10 miles of Pinatubo should evacuate immediately. Communications with scientists taking measurements on the mountain were unsuccessful. It is known that this team had planned to make a helicopter flight over the mountain to check the size of the lava dome inside the volcano.