Scattered ash and rock, and earth tremors of 5.34 on the Richter scale
Caused by a major earthquake on 16th July 1990
Killed 1600 people and injured 3000
Spewed 20 million tonnes of material into the atmosphere
Clouds of hot gas and ash got up to speeds of 80 km/h
Combined with a typhoon on June 15th-16th left 200,000 people homeless due to landslide
Mudslides covered 500,000 hectares of farmland and 100,000 homes
Left people without electricity for 3 weeks, water became contaminated and roads/telecommunication links were destroyed
Epidemic of respiratory and gastric diseases broke out and 600,000 people lost their jobs
Mudslides have occurred annually and eroded hillsides
Over 200,000 people were evacuated in the first warning