Subic Bay naval base erupted 1965 with six huge explosions and a mushroom cloud that blocked out the sun. Amidst panic by local residents and clogged exit roads, huge stones, searing gas and molten rock raced down the 4795-foot mountain. Most of the debris flowed into six rivers. The second explosion sent a plume of ash and steam 80,000 feet into the sky.; Shortly after midnight, a sixth explosion was reported. About 3,000 Aeta tribesmen who are descendants of the original inhabitants of the Olongapo were stunned by the explosion and fled down the slopes ahead of the debris. There are about 21 active and 200 dormant volcanos in the Philippines . The last eruption was Bert Basa in 1965 which claimed 200 lives.
Subic Bay naval base erupted 1965 with six huge explosions and a mushroom cloud that blocked out the sun. Amidst panic by local residents and clogged exit roads, huge stones, searing gas and molten rock raced down the 4795-foot mountain. Most of the debris flowed into six rivers. About 3,000 Aeta tribesmen who are descendants of the original inhabitants of the Olongapo were stunned by the explosion and fled down the slopes ahead of the debris. There are about 21 active and 200 dormant volcanos in the Philippines . The last eruption was Bert Basa in 1965 which claimed 200 lives.