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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 .
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 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 ...
June 10 – About 15,000 Americans are evacuated from Clark Air Base as Pinatubo eruption begins. [9] [10] [11] [12]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; [9] [13] [14] volcano's alert level has been raised to the highest, June 9; Typhoon Yunya further worsens lahar ...
Pinatubo eruption: 1500 to 2021: Reawakened in 1991 producing the 2nd largest eruption in the 20th century. Followed by milder eruptions in 1992 and 1993. [4] Mt. Kanlaon eruption: 1886 to 2024: The most active volcano in the Visayas, Kanlaon has erupted 26 times since 1919.
The 1990 Luzon earthquake occurred on July 16 at 4:26 p.m. or 3:26 p.m. on the densely populated island of Luzon in the Philippines. The shock had a surface-wave magnitude of 7.8 and produced a 125 km-long ground rupture that stretched from Dingalan, Aurora to Kayapa, Nueva Vizcaya .
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.
Typhoon Yunya, known in the Philippines as Typhoon Diding, was a strong tropical cyclone whose landfall in the Philippines coincided with the 1991 eruption of Mount Pinatubo. A small tropical cyclone, Yunya rapidly developed from a tropical disturbance near East Samar on June 11. By June 13 the storm had reached typhoon status as it moved west ...