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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 .
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
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 .
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.
A turtle hatchery located is located in Binoklutan. The area also has many other attractions, beach resorts, waterfalls, hiking paths, views of the lahar fields left by the 1991 eruption of Mount Pinatubo, and views of Mount Pinatubo itself. The Fiesta Poon Bato, held January 23–24, is a religious festival that attracts up to 500,000 devotees.
Apo Reef’s remote location requires effort to reach, which has helped shield it from overtourism. Just 2,793 people visited in 2023, down from a peak of 7,586 in 2017.
The 1991 eruption of Pinatubo was andesite and dacite in the pre-climactic phase but only dacite in the climactic phase. The climactic phase had a volume of 3.7–5.3 km 3 . [ 9 ] The eruption consisted of sequentially increasing ash emissions, dome growth, 4 vertical eruptions with continued dome growth, 13 pyroclastic flows and a climactic ...