GEOGRAPHY

1989 Loma Prieta Earthquake

• 63 people killed
• 7.0 on the Richter Scale
• 3000 injured
• Collapse of Nimitiz Freeway
• Estimated damage of $6 billion
• Epicentre in Santa Cruz Mountains

1995 Kobe Earthquake

• 7.3 on the Richter Scale
• Epicentre on the Awaji Island, 20 km from Kobe
• 6434 people died, of them 4600 in Kobe
• Japan's worst earthquake since 1923
• 10 trillion Yen in damage, which was 2.5% of Japan's GDP at the time
• Hanshin expressway toppled

Mount Pinatubo 1991

• Located on Luzon Island, Philippines
• Biggest eruption since 1912
• Ejected 10 cubic kilometres of magma
• Awoken by Luzon Earthquake, which recorded 7.7 on the Richter Scale
• Climatic eruption brough pyroclastic flows and lahars due to Typhoon Yuna
• Ash cloud covered 125,000 square kilometres
• Over 800 people killed
• 2.1 million people affected despite evacuation
• 8000 houses completely destroyed and infrastructure costs were 3.8 billion pesos

Mount St Helens 1980

• Most deadly eruption in history of USA
• Killed 57 people and destroyed 200 homes and 185 miles of highway
• Released 1600 times amount of thermal energy of that of Hiroshima
• North face slid away causing mudslides and pyroclastic flows
• Cost $1.1 billion.