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pubs.usgs.gov/fs/1997/fs113-97

The second-largest volcanic eruption of this century, and by far the largest eruption to affect a densely populated area, occurred at Mount Pinatubo in the Philippines on June 15, 1991. The eruption produced high-speed avalanches of hot ash and gas, giant mudflows, and a cloud of volcanic ash hundreds of miles across.

en.wikipedia.org/wiki/Mount_Pinatubo

The second-largest volcanic eruption of the 20th century, and by far the largest eruption to affect a densely populated area, occurred at Mount Pinatubo on Saturday, June 15, 1991. The eruption produced high-speed avalanches of hot ash and gas, massive lahar floods and huge clouds of superheated volcanic material hundreds of kilometers across.

www.thoughtco.com/mount-pinatubo-eruption-1434951

The following year 3,281 homes were destroyed and 3,137 were damaged. Damage following the Mount Pinatubo eruption was usually caused by lahars - rain-induced torrents of volcanic debris that killed people and animals and buried homes in the months after the eruption. Additionally, another Mount Pinatubo eruption in August 1992 killed 72 people.

www.britannica.com/science/volcano/Mount-Pinatubo-Philippines-1991

Volcano - Mount Pinatubo, Philippines, 1991: Earthquakes and steam explosions announced the reawakening of Mount Pinatubo in 1991, surprising many geologists because Pinatubo was not even listed in catalogs of world volcanoes. This mountain (at that time having an elevation of 1,745 metres, or 5,725 feet) lacked the classic conical shape of a volcano because erosion had carved its summit into ...

mountpinatubo.net

The volcano’s eruption also had significant global environmental effects. Mount Pinatubo ejected millions of tons of sulfur dioxide gas into the atmosphere, forming a cloud over the earth and decreasing average worldwide temperatures by almost 1 degree Fahrenheit for several years after the eruption.

www.livescience.com/14603-pinatubo-eruption-20-anniversary.html

The eruption of Mount Pinatubo was the second-largest volcanic cataclysm of the 20th century, second only to a 1912 eruption on the sparsely populated Alaskan Peninsula. Mount Pinatubo, on the ...

www.usgs.gov/news/remembering-mount-pinatubo-25-years-ago-mitigating-crisis

The world’s largest volcanic eruption to happen in the past 100 years was the June 15, 1991, eruption of Mount Pinatubo in the Philippines. Bursts of gas-charged magma exploded into umbrella ash clouds, hot flows of gas and ash descended the volcano’s flanks and lahars swept down valleys. The ...

www.volcanodiscovery.com/pinatubo/chronology-1991-eruption.html

The June 29, 1991 eruption column from Mount Pinatubo with Marella River Valley. Aerial view to north of pyroclastic-flow deposits in Marella River valley (in foreground) and tributaries of Balin Buquero River (in distance) with ash plume rising from Pinatubo’s caldera.

www.britannica.com/place/Mount-Pinatubo

Mount Pinatubo: Mount Pinatubo, volcano, western Luzon, Philippines, that erupted in 1991 (for the first time in 600 years) and caused widespread devastation. Mount Pinatubo is located about 55 miles (90 km) northwest of Manila and rose to a height of about 4,800 feet (1,460 m) prior to its eruption. After two

www.volcanodiscovery.com/pinatubo.html

Pinatubo volcano exploded spectacularly on 15 June 1991. The Pinatubo eruption on 15 June 1991 was the second largest volcanic eruption of the 20th century. Pinatubo is a complex of lava domes located 100 km NW of Manila city, Luzon Island, Philippines. Prior to the eruption, Pinatubo was a little known volcano and it had been dormant for 400 ...