GEOL 306- Midterm Exam Guide - Comprehensive Notes for the exam ( 29 pages long!)

• School: University of Oregon
• Department: Geological Sciences
• Course: GEOL 306
• Professor: Leif Karlstrom

Document Summary

1,410 earthquakes greater than 2. 5 mag in the last 30 days. 1,500 earthquakes per year with greater than 5 mag. 250 earthquakes kill 1,000 people or more. 3,000 billion us dollars of economic loss. Largest earthquake in 1906 destroyed sf and killed 3,000 people. Large earthquakes regularly affect california and alaska. An earthquake will destroy a sizable portion of the coastal northwest. More than 200,000 killed during the last 200 years. More than 5 million people affected by volcanoes during 20th century. Mount saint helens eruption caused 1 billion usd. 12 volcanoes near identified as having high to very high threat. 7 volcanoes erupted over the past 250 years. Eruption of mount mazama 7,700 years ago gave birth to crater lake. They can be dangerous to human beings. Better understanding how they work can better anticipate and mitigate hazards. Provide information on the internior of the earth. Better understand earth"s interior and better understand how.