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The eruption took place in , on a plate boundary. The type of lava was , which is highly acidic and thick or . The eruption killed people initially, but later lahars killed people. Monitoring was done with help from the USGS, which helped set up the .
Monitoring:
- movement of magma tracked by string of earthquakes beneath volcano. This is monitored using .
- CO2 levels measured using , rising levels indicate rising magma
- Swelling of the summit/changes in mountain profile monitored using
Mitigation:
- Informed civil defense officials of potential hazard using
- Devised a point scale, alert levels for evacuation
- video of to educate public about danger
The main eruption sent ash cloud kilometers into the air
people were displaced
Primary impacts:
Ash combined with rain from typhoon
x the size of
Water contaminated
Angeles covered in ash
ha crops destroyed
unemployed
Long term:
Deposited material mixed with monsoon rain to form lahars, which continued to result in death
evacuation centres
