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Earthquakes Chapter 5

Description

6 science Mind Map on Earthquakes Chapter 5, created by Joseph Balangue on 10/20/2015.
Joseph Balangue
Mind Map by Joseph Balangue, updated more than 1 year ago
Joseph Balangue
Created by Joseph Balangue over 6 years ago
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Resource summary

Earthquakes Chapter 5
  1. Section 1:Forces in Earth's crust
    1. Types of stress
      1. Tension

        Annotations:

        • When rock pulls on the crust and stretches it.
        1. Compression

          Annotations:

          • Act of squeezing rock together until it folds.
          1. Shearing

            Annotations:

            • Mass being pushed apart.
          2. Kinds of faults
            1. Normal

              Annotations:

              • They pull apart along faults.
              1. Reverse

                Annotations:

                • They move in opposite directions.
                1. Strike slip

                  Annotations:

                  • They slide past each other
                2. Changing eaths surface
                  1. crusts

                    Annotations:

                    • Rock gets folded in the crust
                    1. Stretching

                      Annotations:

                      • When 2 normal faults move the crust stretches making a fault block mountain.
                      1. uplifting Earths crust

                        Annotations:

                        • Plateaus are made when forces in the Earths crust push up a big flat block of rock.
                    2. Section 2:Earth quakes and seismic waves
                      1. Types of seismic waves
                        1. P waves

                          Annotations:

                          • First waves-These waves compress and expand the ground. They cause damage to structures and can move through solids and liquids.
                          1. S waves

                            Annotations:

                            • Second wave-They vibrate side to side and up and down they shake structures but can not moove through liquids.
                            1. Surface waves

                              Annotations:

                              • Surface waves are when p and s waves surface some of them become surface waves and are slower.They can shake the ground and some can shake buildings side to side.
                            2. Measuring Earthuakes
                              1. Mercalli scale

                                Annotations:

                                • They record the intensidy of Earthquakes
                                1. Richter Scale

                                  Annotations:

                                  • It estimates the total energy of earthquakes after being recorded by the other scales
                                  1. Moment magnitude scale

                                    Annotations:

                                    • It records seismic waves to get the magnitude but only works on nearby earthquakes
                                    1. Comparing earthquakes

                                      Annotations:

                                      • Magnatude is how much energy is from an earthquake. The higher the magnatude is the worst 
                                    2. Locating the epicenter

                                      Annotations:

                                      • The epicenter is found by seismic waves. They record the location of the epicenter. 
                                    3. Section:3 Monitoring earthquakes
                                      1. Seismograph
                                          1. Monotor faults
                                            1. Creep meters

                                              Annotations:

                                              • It is mesured by the movement affected by a wire.
                                              1. Laser ranging devices

                                                Annotations:

                                                • This show the distance by deflecting light.
                                                1. Gps satellites

                                                  Annotations:

                                                  • It is used by maping from satillites
                                                  1. Tiltmeters

                                                    Annotations:

                                                    • They have liquid in a bulb that is records the land.
                                                  2. Reading seismographs

                                                    Annotations:

                                                    • They can tell the intensidy of how high the line of ink goes.
                                                    1. Measuring seismic waves

                                                      Annotations:

                                                      • They use seismographs to see the motion of an earthquake.
                                                  3. Section 4:earth quake safety
                                                    1. Risk
                                                      1. Plate boundaries and faults

                                                        Annotations:

                                                        • We are at high risk because of the plates near the pacific.
                                                        1. Mapping earth quakes

                                                          Annotations:

                                                          • These are important because they show the severity of an earthquake.
                                                          1. Historic quakes.

                                                            Annotations:

                                                            • Past earthquake may help predict the ones in the future.
                                                          2. Earthquakes cause
                                                            1. shaking

                                                              Annotations:

                                                              • Shaking is caused by seismic waves and can destroy structures or buildings.
                                                              1. liquefaction

                                                                Annotations:

                                                                • earthquakes can convert soil to mud
                                                                1. Aftershocks

                                                                  Annotations:

                                                                  • It is an earthquake that comes after an earthquake.
                                                                  1. Tsunamis

                                                                    Annotations:

                                                                    • It is a huge wave of water.
                                                                  2. Safe buildings
                                                                    1. Safe Utilities

                                                                      Annotations:

                                                                      • They have created automatic valves for pipes.
                                                                      1. Protection

                                                                        Annotations:

                                                                        • They have strengthened building walls and ground.
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