Chapter 3 Critcal Thinking

4.) Most tsunamis occur in the Pacific Ocean, as indicated by the map in the "Waves that Kill" boxed reading. How would you explain this?-->Tsunamis are caused from earthquakes, landslides, volcanoes, and other seismic disturbances of the sea floor. Unfortunately, 85% of all tsunamis occured in the Pacific Ocean. Around the rim of the Pacific Ocean are many volcanoes. This is known as the Pacific Rim of Fire. These eruptions are one of the main causes of the seismic activity in the Pacific Ocean.