Science Ch.8 SC
Studing is boring!!!!
Terms
undefined, object
copy deck
- faults
- break in the earth's crust along which blocks of the crust slide relative to one another
- indoors
- get under something stable(doorway)
- seismogram
- tracing of earthquake motion created by a seismograph
- primary waves
- a seismic wave that causes particles of rock to move in a back-and-forth direction,travels through gases,liquids,and solids
- shadow zone
- this also suggested that earth has a liquid outer core?
- transform boundary
- sliding past eachother,produces strike-slip fault
- cross braces
- counteract pressure that pushes and pulls at the side of a building during an earthquake
- a saftey plan
- what should u have in case of a disaster like this
- base isolaters
- act as shock absorbers
- elastic deformation
- leads to earthquakes
- further away
- further awaythe greater the distance between the arrival times the...it is
- active tendon system
- same thing as mass damper
- crust and mantle
- moho marks the boundary between what?
- seismograph
- instrument located at or near the surface of the Earth that records seismic waves and determines the strength
- earthquake hazzards
- measures how prone an area is to experiencing an earthquake in the future
- magnitude
- Richter Scale measures the what?
- get to an open area
- what should u do during an earthquakeif u are outdoors?
- seismic waves
- solar flaer produce what?
- focus
- point inside the Earth where an earthquake begins
- seismology
- study of earthquakes
- deformation
- bending,tilting,and breaking in the earth's crust,the change in the shape of rock in response to stress
- afterschock
- weak earthquakes that follow stronger earthquakes
- shadow zone
- area on the earth's surface where no direct seismic wave from a particular earthquake can be detected
- gap hypothesis
- states that sections of active faults that have had relativley few earthquakes are likey to be the sites of strong earthquakes have occured in a long period of time
- earthquakes
- sunquakes release a million times more energy than what?
- seismic gap
- areas along a fault where relatively few earthquakes have occured and strong earthquakes occured in the past
- where most earthquakes occur
- tectonic plate boundary
- mass damper
- weight placed in the roof of a building to contract the building movement
- elastic rebound
- sudden return of elastically deformed rock to its original shape
- 31.7 times
- each unit increases by how much?
- center of gravity
- most buildings have collapse because what has been displaced?
- moho
- a place within the earth where the speed of seismic waves increase sharply
- get under a stable object
- what should u do during an earthquakeif u are indoors?
- divergent boundary
- when 2 plates pull away from eachother,produces a normal fault
- seismologist
- a person who studies earthquakes
- convergent boundary
- 2 plates collide into eachother,produces a reverse fault
- plastic deformation
- does not lead to earthquakes
- P and S waves
- P and S wavesbased on the difference of the arrival times of what?
- an earthquakes strength
- an earthquakes strength seismograms are also used to determine what?
- surface waves
- travels through the surface and is the slowest of the three,also the most destructive wave
- secondary waves
- a seismic wave that causes particles to move in a side-to-side direction or shearing,travels only through solids
- seismic waves
- waves of energy that travel through the Earth
- outdoors
- get in an open area
- flexible pipes
- helped prevent water and gas lines from breaking
- epicenter
- point on the Earth's surface directly above an earthquake's starting point