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6Sci_EQ&Volcano
6Sci_Earthquake & Volcano (Bragg)
Question | Answer |
---|---|
Where was the deadliest earthquake? | China |
When an earthquake happens far from a plate boundary what is it called? | Intraplate quakes |
In which state is the San Andreas fault? | California |
What type of fault is the San Andreas Fault? | Strike-slip fault |
What wave moves along Earth's surface and causes the largest ground movements and the most damage? | surface waves |
What instrument constantly records ground movements? | seismograph |
What is the water wave caused by an earthquake, volcanic eruption, or landslide? | tsunami |
What is the point on Earth's surface directly above the focus of an earthquake? | epicenter |
What is the point underground where the rocks first begin to move in an earthquake? | focus or hypocenter |
Where are the majority of volcanoes located? | Ring of Fire |
What are the Hawaiian Islands formed by? | Hot Spot |
What determines whether an eruption is explosive or nonexplosive? | dissolved gases |
When a volcano has a high silica content and high dissolved gas content will it be explosive or nonexplosive? | Explosive |
What volcano erupted in the state of Washington in 1980? | Mount St. Helens |