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The Philippine Atmospheric, Geophysical and Astronomical Services Administration (Filipino: Pangasiwaan ng Pilipinas sa Serbisyong Atmosperiko, Heopisiko at Astronomiko, [4] abbreviated as PAGASA, which means "hope" as in the Tagalog word pag-asa) is the National Meteorological and Hydrological Services (NMHS) agency of the Philippines mandated to provide protection against natural calamities ...
The NSTA, the umbrella department for PHIVOLCS and PAGASA, became the Department of Science and Technology (DOST) in 1987. The technical staff and the 12-station earthquake monitoring network was fully integrated to PHIVOLCS in 1988. PHILVOCS and the United States Geological Survey collaborated during the 1991 eruption of Mount Pinatubo. Their ...
The final eruptions in the creation of Banks Peninsula in New Zealand occurred about 9 million years ago. A major eruption of Gran Canaria took place around 14 million years ago. Approximately 23.03 million years BP, the Neogene period and Miocene epoch begin. Cerro Guacha, Bolivia; 5.6–5.8 Ma (Guacha ignimbrite). [61]
By contrast, the most powerful human-made explosive device ever detonated, the Tsar Bomba, had a yield of 50 megatons, whereas the eruption at La Garita was about 5,000 times more energetic. [ 8 ] The Fish Canyon eruption was the second most energetic event to have occurred on Earth since the Cretaceous–Paleogene extinction event 66 million ...
Taal Volcano in Batangas, Philippines began to erupt on January 12, 2020, when a phreatomagmatic eruption from its main crater spewed ashes over Calabarzon, Metro Manila, and some parts of Central Luzon and Ilocos Region, resulting in the suspension of school classes, work schedules, and flights in the area, as well as temporarily drying up Taal Main Crater Lake and destroying Vulcan Point, an ...
Despite their ostensibly benign appearance, effusive eruptions can be as dangerous as explosive ones: one of the largest effusive eruptions in history occurred in Iceland during the 1783–1784 eruption of Laki, which produced about 15 km 3 (4 cu mi) of lava and killed one fifth of Iceland's population. [43]
An eruption on 16 March injured 10 people, including a BBC News television crew, after magma exploded upon contact with snow. [97] [98] 3 Mount Ontake [99] Japan 2014 63 A phreatic eruption and pyroclastic flow occurred without warning, killing 63 people. Deadliest eruption in Japan since 1902, first volcano-related deaths in Japan since 1991. 2
Eruptions occurred from November 2014 to May 2015, with two major phreatomagmatic eruptions on September 14, 2015, and October 8, 2016. [5] Eruptive activity occurred on 20 October 2021. [3] Main eruption ages and eruption volume (DRE (dense-rock equivalent) is the equivalent magma eruption volume.