What is an earthquake? -- Drifting plates -- The San Francisco earthquake -- Seismic waves -- Earthquake scales -- What happens during an earthquake? -- The Armenian earthquake of 1988 -- Earthquake and fire in Tokyo -- The Kobe earthquake -- Sinking into the earth -- The Mexico City earthquake -- Tsunamis -- The Lisbon earthquake of 1755 -- Landslides and floods -- Avalanche in the Andes -- The Tangshan earthquake -- An earthquake in the Himalayas -- The Chilean earthquake -- Monitoring and predicting earthquakes -- Preparing for earthquakes.