Volcanic hazard - Mount Mayon Flashcards
When did mount Mayon erupt?
2018
Where is mount Mayon located and how big is it?
In the Pilippines and covers an area of 250km squared
What type of volcano is mount Mayon?
A composite volcano
How was it formed?
subduction of the Philippine sea plate underneath the Sunda plate (along the ring of fire)
What are the main risks associated with mount Mayon?
Large ash emissions can cause roofs of the nearby city of Legaspi tp collapse, ash settled combined with high amounts of rainfall can cause lahars, Nuees ardentes can form and lava flows
How long did the eruption last?
It began on the 13th of January and peaked at a level 4 alert status on 22nd and 23rd of January.
What scale of alert levels were used and what are the different alert levels?
PHIVOLCS scale and the levels are:
0. no alert
1. abnormal
2. increasing unrest
3. increased tendency towards hazardous eruption
4. eruption imminent
5. eruption
How many people were killed in the eruption?
Nobody was killed
Local and national responses to the eruption
- The Filipino government committed $1 million to a ‘cash for work’ programme as well as hygiene packages for more than 50,000 families.
- Army was called in to help
- The Philippine red cross set up first aid stations
International responses to the eruption
How many people were affected?
86,052
What was the total damage costs to agriculture
$3.4 million
How many farmers were affected?
10,000 farmers.
