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The most recent study of Mount Pinatubo before the activities of 1991 was the overall geological study in 1983 and 1984 made by F. G. Delfin for the Philippine National Oil Company as part of the surface investigations of the area before exploratory drilling and well testing for geothermal energy sources in 1988 to 1990. He recognized two life ...
The 1991 eruption of Mount Pinatubo in the Philippines' Luzon Volcanic Arc was the second-largest volcanic eruption of the 20th century, behind only the 1912 eruption of Novarupta in Alaska. Eruptive activity began on April 2 as a series of phreatic explosions from a fissure that opened on the north side of Mount Pinatubo .
Lake Pinatubo (Filipino: Lawa ng Pinatubo) is the summit crater lake of Mount Pinatubo formed after its climactic eruption on June 15, 1991. The lake is located in the Zambales Mountains, in Botolan, Zambales, near the boundaries of Pampanga and Tarlac provinces in the Philippines.
Operation Fiery Vigil was the emergency evacuation of all non-essential military and U.S. Department of Defense civilian personnel and their dependents from Clark Air Base and U.S. Naval Base Subic Bay during the June 1991 eruption of Mount Pinatubo in the Republic of the Philippines.
File:Mapanuepe Lake-before & after.gif. ... English: The map of Mapanuepe Valley before the eruption of Mount Pinatubo and after the lake has formed. Date: 1991: Source:
Mount Spurr [5] Alaska, United States 1992 5 Mount Hudson [6] Chile 1991 6 Mount Pinatubo [7] Philippines 1991 847 Second largest eruption of the 20th century, and largest stratospheric disturbance since the 1883 eruption of Krakatoa. Many deaths were caused by complication of the arrival of Typhoon Yunya. 4 Kelud [8] Indonesia 1990 32
A before-and-after photograph of a river valley filled in by lahars from Mount Pinatubo. Lahars caused most of the deaths of the 1991 eruption of Mount Pinatubo. The initial eruption killed six people, but the lahars killed more than 1500.
After the Mount Pinatubo eruption in 1991 which caused the lahars to flow into the municipality that half-buried the church, [2] the structure remained in use as a place of worship. It was a tourist destination before the 1991 eruption, and more tourists came to the church, whose remaining features are being preserved and maintained, afterwards ...