Chapter Ten Summary
Chapter Ten Summary Earth Science 1100
Popular in Planet Earth
Popular in Earth Science
This 2 page Class Notes was uploaded by Alexandra Grese on Monday February 9, 2015. The Class Notes belongs to Earth Science 1100 at Ohio State University taught by Cristina Millan in Winter2015. Since its upload, it has received 39 views. For similar materials see Planet Earth in Earth Science at Ohio State University.
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Date Created: 02/09/15
Alexandra Grese Chapter Ten Summary Shaking causes by rapid release of energy 0 Energy moves outward and can be measured around the globe 0 Can result in tsunamis 0 Fault ruptures cause earthquakes I Hypocenter point within the earth where the energy is first released I Epicenter point on surface right above epicenter 0 Fault planar fracture discontinuity where displacement has occurred as a result of earth movement I During quake fault blocks move creating faults and displacement Displacement shown by markers fences roads etc I Can be active or inactive I Move in jumps stickslip behavior Overtime strain builds up again leading to repeat failure I Before and after shocks are small tremors I Seismograph instruments that record ground motion Verticle and horizontal I Seismogram records wave behavior I Body waves P and S Time delay establishes distance Data from three seismic stations pinpoints the epicenter Quake size measured in intensity and magnitude 0 Intensity Modified Mercalli Scale I IXII I Damage occurred I Subjective o Magnitude I Richter I 110 I quakes linked to tectonic boundaries transform usually most destructive I P wave Vertical waves that cause the ground to go up and down I S wave Vertical ground back and forth I L Horizontal make ground undulate laterally I R Make surface roll in wavelike motion Can cause landslides avalanches liquefaction breaking up of solid earth surface can topple buildings tsunamis displacement of sea oor and a lot of water Can we predict quakes Yes in long term no in short term 0 Past quakes help us predict future ones be smart when buying a home kids
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