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Peru's government declared a 60-day state of emergency for several southern towns on Wednesday as the country's most active volcano spews ash and gas. Ash from the Ubinas volcano in the Moquegua ...
Pyroclastic flows sweep down the flanks of Mayon Volcano, Philippines, in 2018. A pyroclastic flow (also known as a pyroclastic density current or a pyroclastic cloud) [1] is a fast-moving current of hot gas and volcanic matter (collectively known as tephra) that flows along the ground away from a volcano at average speeds of 100 km/h (30 m/s; 60 mph) but is capable of reaching speeds up to ...
A remote volcano in Alaska’s Aleutian Islands that has been active in recent weeks spewed an ash cloud up to 30,000 feet (9,144 meters) in the sky on Friday, prompting warnings to pilots.
Indonesia has evacuated about 6,500 people on the island of Flores after Mount Lewotobi Laki-laki volcano spewed thick clouds of brownish ash for the past days, authorities said on Monday. The ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 January 2025. Active volcano on the east coast of Sicily, Italy "Mongibello" redirects here. For the fictional location, see The Talented Mr. Ripley. Mount Etna Etna with the city of Catania in the foreground (December 2007) Highest point Elevation 3,403 m (11,165 ft)(varies) Prominence 3,403 m ...
7 January 2015: CENAPRED reported that ash from recent explosions coated the snow on the volcano's upper slopes. [30] 28 March 2016: An ash column 2,000 m (6,600 ft) high was released, prompting the establishment of a 12-kilometre (7.5 mi) "security ring" around the summit. [31] 3 April 2016: Popocatépetl erupted, spewing lava, ash and rock. [32]
A significant explosion at 1:09 a.m. Friday produced an ash cloud that reached up to 40,000 feet (12,192 meters) and drifted south over the Pacific Ocean. Alaska volcano spews ash cloud high ...
Ash fallout occurs immediately after the eruption and is controlled by particle density. Initially, coarse particles fall out close to source. This is followed by fallout of accretionary lapilli, which is the result of particle agglomeration within the column. [29] Ash fallout is less concentrated during the final stages as the column moves ...