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Within 21 minutes, the lahars descended Mayon Volcano, quickly covering and wrecking six communities. After the initial series of lahars, further ash flow descended to the ocean to the north of Mayon Volcano. [40] Areas around the volcano were inundated with 1.5 m (5 ft) of floodwaters. [46] Widespread flooding was also reported in Legazpi City ...
Mayon is shared by eight cities and municipalities of Albay province.. Mayon is the main landmark and highest point of the province of Albay and the whole Bicol Region in the Philippines, rising 2,463 meters (8,081 ft) from the shores of Albay Gulf about 10 kilometers (6.2 mi) away.
As the typhoon neared the country, the Philippine Institute of Volcanology and Seismology had issued advisories warning of possible lahar contamination of nearby rivers and drainage areas near Mount Pinatubo, the Mayon Volcano, and the Taal Volcano. [39] [40] Satellite animation of Typhoon Goni making landfall on Catanduanes on October 31
Large lahars hundreds of metres wide and tens of metres deep can flow several tens of metres per second (22 mph or more), much too fast for people to outrun. [9] On steep slopes, lahar speeds can exceed 200 kilometres per hour (120 mph). [9] A lahar can cause catastrophic destruction along a potential path of more than 300 kilometres (190 mi). [10]
Hours of heavy monsoon rains caused flash flooding at around 22:30 WIB (15:30 UTC) on 11 May, exacerbated by a lahar from Mount Marapi. [1] [2] The rains also caused a river to overflow and flood villages in four districts. [3] The lahar swept down Mount Marapi, carrying a wet mixture of ash and rocks. It buried homes and swept some residents ...
The Philippine Institute of Volcanology and Seismology issued lahar advisories for the Mayon Volcano (at the time under Alert Level 3 [37]) as the trough of Doksuri brought rain over Caraga and Eastern Visayas. [38] [39] [40] Typhoon Doksuri as it continued to strengthen during the evening of July 24. On July 23, sea travel in areas of Bicol ...
Typhoon Durian (Reming, 2006) – a typhoon which caused devastating lahar flows from the Mayon Volcano. Tropical Storm Fung-wong (Mario, 2014) – another tropical system that caused lahar flows from the Mayon Volcano. Typhoon Vongfong (Ambo, 2020) – a typhoon which took a relatively similar path to Yunya.
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 ...