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Inflation began being measured since Oct – Nov 2017. Locals noted Sulphur smells and hard rumbling sounds. Crater incandescence increased and lava started flowing down the south flank. By this time, 40,000 people were evacuated and neighboring airports 13 km, 66 km, and 100 km away were closed due to continuing ashfall. The British Express – News has live feeds embedded in the following link: https:// Two live webcams for Mayon can be found here: web site can be found here: Volcano Mount Mayon / Mayon Volcano is one of the most continuously active volcanoes in the Philippines.
The initial event was a phreatic eruption in the afternoon of Jan. Faint crater incandescence was observed that night. There were nearly 160 rockfall events and minor pyroclastic flows out of the crater began Jan. New dome growth continued with lava flows advancing 2 km down the side of the cone. It is a symmetrical stratovolcano topping out at 2,462 m.
Past Eruptions It is one of the most active volcanoes in the Philippines, with over 50 eruptions in the last 500 years. 1,200 locals died during this eruption, making it the deadliest eruption in Mayon’s recorded history.
The Andal, et all paper blames lahars for the majority of death from this eruption. Century, there were multiple eruptions with varying intensities ranging from VEI 1 – 3.
Threats from Mayon include pyroclastic flows, lahars, tephra falls, lava flows.
So far, I have found no evidence of flank collapse or directed blast from Mount Mayon in the historic past.
Mayon is surrounded by what is now called the Mayon Volcano Natural Park. It was named after a legendary princess – heroine Daragang Magayon.
It contains three active volcanoes and at least nine other Pleistocene major volcanic centers. Most of them are basaltic andesites and andesites indicating magma mixing and fractional crystallization.
The Philippine Trench is east of the Bicol Arc, 210 – 280 km offshore.
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