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A 7.8 M w earthquake strikes the island of Luzon, Philippines. The epicenter was near the town of Rizal, Nueva Ecija, roughly 60 kilometers (37 mi) from Mount Pinatubo. This earthquake caused a landslide, some local tremors, and a brief increase in steam emissions from a preexisting geothermal area at Mount Pinatubo. [2] March–June 1991
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.
English: 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 30-40 km into the atmosphere, generated voluminous pyroclastic flows, and left a caldera in the former summit region.
June 10 – About 15,000 Americans are evacuated from Clark Air Base as Pinatubo eruption begins. [4] [5] [6] [7]June 15 – Mount Pinatubo erupts, the peak of series of major explosions on June 12–16, in what will be the second largest terrestrial eruption of the 20th century; [4] [8] [9] volcano's alert level has been raised to the highest, June 9; Typhoon Yunya further worsens lahar flows ...
1991: Mount Pinatubo, Philippines. On June 15, 1991, a rumbling Mount Pinatubo grew and grew until it exploded in the biggest volcanic eruption on Earth in 100 years. Super-pressurized, gas ...
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On June 15, 1991, the island of Luzon in the Philippines was ground zero for the second-largest volcanic eruption of the 1900s when Mount Pinatubo blew its top. This historic natural event set ...
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