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The eruption column of Mount Pinatubo on June 12, 1991, three days before the climactic eruption View to the west from Clark Air Base of the major eruption of Pinatubo on June 15, 1991. The June 15–16 climatic phase lasted more than fifteen hours, sent tephra about 35 km (22 mi) into the atmosphere, generated voluminous pyroclastic flows ...
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 .
Although the mountains are volcanic in origin, [2] Mount Pinatubo is the only active volcano in the mountain range. Its eruption on June 15, 1991 was the second most powerful volcanic eruption of the 20th century after the 1912 eruption of Novarupta in Alaska.
Pinatubo: 1,445 4,741 Zambales, Tarlac, Pampanga: 4 Reawakened in 1991, producing the 2nd largest eruption in the 20th century. Followed by milder eruptions in 1992 and 1993. Also minor additional activities in 2021. Permanently monitored. Ragang: 2,815 9,236
The following other wikis use this file: Usage on ar.wikipedia.org جبل بيناتوبو; Usage on cs.wikipedia.org Pinatubo; Usage on ja.wikipedia.org
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 .
Mount Pinatubo is notorious for its destructive VEI-6 eruption on June 15, 1991. Taal Volcano, one of the Decade Volcanoes, had a VEI-3.7 eruption on January 12, 2020. Mount Mayon is renowned for having an almost perfect cone, but has a violent history of 47 eruptions since 1616 and its VEI-4 eruption on June 23, 1897, rained fire for seven days.
Rated a 6 on the volcanic explosivity index, [6] the 60-hour-long eruption expelled 3.1 to 3.6 cubic miles (13 to 15 km 3) of ash, thirty times as much as the 1980 eruption of Mount St. Helens. [ 7 ] [ 8 ] [ 9 ] The erupted magma of rhyolite , dacite , and andesite [ 10 ] resulted in more than 4.1 cubic miles (17 km 3 ) of air fall tuff and ...