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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.
On June 15, 1991, Mount Pinatubo, only 20 miles (32 km) from Subic Bay, erupted and blanketed the facility in ash 1 foot (30 cm) deep. Dependents were evacuated and the Navy began an intense clean-up effort to return the station to normal operations.
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-charged magma burst through and a cloud ...
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 ...
Mount Pinatubo, Philippines: 1991: Less than 5 years after its creation, in April of 1991, VDAP was called to assist the Philippine scientists of the Philippine Institute of Volcanology and Seismology or PHIVOLCS during unrest at Pinatubo volcano. The culminating June eruptions of Pinatubo were among the largest on Earth for all of the 20th ...
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 ...
Ash from Mount Pinatubo covers Naval Station Subic Bay. On 15 June 1991, the second largest volcanic eruption of the 20th century occurred when Mount Pinatubo, just 20 miles (32 km) from Subic Bay, exploded with a force eight times greater than the Mount St. Helens eruption. The sun was nearly completely hidden as volcanic ash blotted it out.