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Earthquakes_5

# Earthquakes_5 - EOSC 114 Guillaume Carazzo Earthquakes...

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1 Storms Waves EOSC 114 / Guillaume Carazzo Earthquakes Volcanoes Landslides Impacts Did you know…? Not all earthquakes are caused naturally (by plate movement)? – Earthquakes caused by human activity: Building a dam and flooding a valley Injecting liquid waste deep into the ground Detonating underground explosions Figure 2.37

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2 Earthquakes Lecture 1 - Earthquake Basics Lecture 2 - Seismology Lecture 3 - Earthquake magnitude, intensity, building design Lecture 4 - Earthquake prediction and hazards Lecture 5 - Earthquake survival A = Transform B = Divergent C = Convergent D = Strike-slip Match the letter with the appropriate tectonic plate boundaries located close to Vancouver Warm-up question #1 - Earthquakes A B C D
3 Divergent margins Strike-slip fault = simple offset (One of the 3 fundamental types of fault) Transform fault = fault formed between two different plates moving away from a spreading centre 1. A normal fault is the result of a tension 2. A reverse fault is the result of a compression 3. An earthquake occurs when a stress between two blocks is high enough 4. The point where motion begins on the fault is called epicentre 5. Body waves are faster than surface waves Which of these statements is FALSE ? Warm-up question #7 - Earthquakes

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4 = hypocentre (where the fault first ruptures) 1. 3 times 2. 10 times 3. 100 times 4. 1,000 times 5. 10,000 times How much shaking does a magnitude 7 quake release than a magnitude 4 ?
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Earthquakes_5 - EOSC 114 Guillaume Carazzo Earthquakes...

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