Earthquake Waves
advertisement
Earthquake Waves Mr. King 1. Explain the Elastic Rebound Theory volcano Ocean Land LAVA 1. Explain the Elastic Rebound Theory volcano Ocean Land LAVA 1. Explain the Elastic Rebound Theory volcano Ocean Land LAVA 1. Explain the Elastic Rebound Theory volcano Ocean Land LAVA 1. Explain the Elastic Rebound Theory volcano Ocean Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA Lava fills in, cools and Continues to fill in the Seafloor. Subduction Zone 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA Subduction Zone Land gets pushed up while The ocean floor continues to Be pushed down. 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA Subduction Zone Land gets pushed up while The ocean floor continues to Be pushed down. 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA Subduction Zone Ocean plate melts causing some Of the lava to recirculate and some To go up through a volcano 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA Subduction Zone 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA Volcano explodes because Lava moves through cracks 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA Volcano explodes because Lava moves through cracks 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA If land is lifted too high, it can crack resulting in a 9.0 earthquake 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA Subduction Zone There are Many earthquakes In a subduction zone 1. Explain the Elastic Rebound Theory Sea Floor Spreading Ocean volcano Land LAVA Subduction Zone There are 1 dozen or so plates that make up the surface of the Earth. Each of these plates are floating on the mantle. They Are bumping and grinding on each other creating earthquakes. 2. Explain how a seismograph works. Can you tell how one Works? Earthquakes generate seismic waves which can be detected with a sensitive instrument called a seismograph. Advances in seismograph technology have increased our understanding of both earthquakes and the Earth itself. Perhaps the earliest seismograph was invented in China A.D. 136 by a m an named Choko. 3. Explain paths of Seismic Waves. 1. P waves - creates the big band sound, fastest wave first to travel and is a compression wave. 2. S waves - are transverse waves with an up and down motion. 3. L waves - most destructive waves are last to hit and result in a rolling motion. 4. How do you locate an epicenter? You must have three different seismographs at three different Locations - then you can pinpoint the different times each picked Up the earthquake wave. You will do this in a lab. 4. How do you locate an epicenter? You must have three different seismographs at three different Locations - then you can pinpoint the different times each picked Up the earthquake wave. You will do this in a lab. 4. How do you locate an epicenter? You must have three different seismographs at three different Locations - then you can pinpoint the different times each picked Up the earthquake wave. You will do this in a lab. 4. How do you locate an epicenter? You must have three different seismographs at three different Locations - then you can pinpoint the different times each picked Up the earthquake wave. You will do this in a lab. 4. How do you locate an epicenter? You must have three different seismographs at three different Locations - then you can pinpoint the different times each picked Up the earthquake wave. You will do this in a lab. Surface A focus epicenter B 4. How do you locate an epicenter? You must have three different seismographs at three different Locations - then you can pinpoint the different times each picked Up the earthquake wave. You will do this in a lab. Surface A focus epicenter B Which seismic Station will Receive the Wave first? A or B 5. Explain the 3 different types of faults. Land Plates 5. Explain the 3 different types of faults. Land Plates 5. Explain the 3 different types of faults. Land Plates Indicates forces on the land 5. Explain the 3 different types of faults. Land Plates Indicates forces on the land 5. Explain the 3 different types of faults. Land Plates Indicates forces on the land 5. Explain the 3 different types of faults. Land Plates Indicates forces on the land 5. Explain the 3 different types of faults. Land Plates Indicates forces on the land 5. Explain the 3 different types of faults. Land Plates This is a Strike Slip Fault or a Transverse Fault San Andréa Fault Indicates forces on the land 5. Explain the 3 different types of faults. Normal Fault 5. Explain the 3 different types of faults. Normal Fault 5. Explain the 3 different types of faults. Normal Fault 5. Explain the 3 different types of faults. Normal Fault 5. Explain the 3 different types of faults. Also called Scarp face Normal Fault The force is called tension 5. Explain the 3 different types of faults. Reverse Fault 5. Explain the 3 different types of faults. Reverse Fault 5. Explain the 3 different types of faults. Reverse Fault The force pushing is called Compression 6. Explain Lithosphere and Athenosphere - Make the World 6. Explain Lithosphere and Athenosphere - Make the World Lithosphere - solid Layer on the surface Also called the Crust 6. Explain Lithosphere and Athenosphere - Make the World Lithosphere - solid Layer on the surface Also called the Crust. Athenosphere - liquid Also called the Mantle 6. Explain Lithosphere and Athenosphere - Make the World Lithosphere - solid Layer on the surface Also called the Crust. Core - solid Made up of Solid nickel and iron Athenosphere - liquid Also called the Mantle 6. Explain Lithosphere and Athenosphere - Make the World Lithosphere - solid Layer on the surface Also called the Crust. Core - solid Made up of Solid nickel and iron Athenosphere - liquid Also called the Mantle Plate tectonics is a theory that explains the plates that make up the Crust are floating and grinding against each other. • 7. How is a tsunami generated? • Underwater earthquakes that jolt the water. As it travels it gains height by the beach. • 8. Name some places in the US that have seen the most quakes - Why do you think these are high risk zones? • California up to Washington are part of the ring of fire. This is where San Andreas Fault is and the Cascade Mountains • 9. List many ways one can prepare for an earthquake • Have tools handy to turn off gas • Extra water and food • Ready made shelters • Extra medication • Have arraigned a place to call
