Warm-up Week 12 Day 2 Explain the difference between a seismograph and a seismogram. Order the three kinds of seismic waves from fastest to slowest.

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Presentation transcript:

Warm-up Week 12 Day 2 Explain the difference between a seismograph and a seismogram. Order the three kinds of seismic waves from fastest to slowest. An Earthquake’s magnitude is a measure of the size of it’s S_________ W_________.

“Earthquake Destruction”

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Hazard - Liquefaction Niigata, Japan 1964

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Hazard - Landslides Q: What type of soil would be the safest during a major earthquake? a.) Loose Soil b.) Steep slopes c.) Granite bedrock d.) Area with structures built on a landfill Turnnagin Heights,Alaska,1964

Hazard – Fires Loma Prieta, CA 1989

Hazard – Tsunami: Earthquake under ocean floor.

Predicting Earthquakes? Goal: EARLY WARNING. Long range forecast… Idea that earthquakes are repetitive. Success? NO.  “Seismic gap” Place on a fault that is “overdo.”

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Earth’s Layered Structure…

Crust & Mantle Crust: Mantle Rocky, top layer Divided! Solid, rocky Oceanic crust Continental crust Mantle Solid, rocky

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STUDY GUIDE Review Contest! Research Phase (10pts) Break into assigned teams 15 min to work together to EACH complete the study guide. Write answers in complete sentences. Everyone must have a copy. Competition Phase…

Competition Phase NO TIES FOR 1st or 2nd! Write your team number and all your names on a sheet of paper for keeping score. Whiteboards. Choose a writer. Write answer in a sentence Work quietly…because… 1st = 3 extra credit points on test! 2nd = 2 pts 3rd = 1 pts NO TIES FOR 1st or 2nd!