key terms
What is the crust and upper part of the mantle?
Lithosphere🌍
the vibrations that flow out from the focus of an earthquake
Seismic waves🤏
1st to arrive at surface ,fastest wave ,pulsating
P wave🚣
what is one cause for an Earthquake
Faults (answer could vary)
A large piece of the earths crust that flows on the melted rock in the earths surface
Plates🍽️
the point on the surface of the earth directly above the focus of and earthquake
Epicenter🫦
2nd to arrive at surface , side to side or up and down
S wave
What is another reason for an earthquake
When large pieces of earth are taken away or added
the place where plates meet
Plate boundary🤺
A scientist who studies the movement of the earth
Seismologist👩🔬
combination of love and Rayleigh waves , last , strongest , like ocean waves
Surface waves
What is another reason for earthquakes
The movement of molten rock underneath a volcano 🌋
The idea that earths crust is made up of moving plates
Theory of plate tectonics🤔
used to detect time and measure the movements of the earth
Seismograph 📇
P and S waves, within the earth
Body waves 🌊
Plate boundaries move horizontally past each other
Strike slip
An event that occurs when rocks along the plate boundaries shift suddenly and release their stored energy
Earthquake🫨
the amount of energy released from an earthquake
Magnitude🕵️♂️
Measures magnitude ,most commonly used
Richter scale
Plate boundaries push together forcing rock upward
Reverse fault
a break in the earths surface along which rock can move
Fault🤦🏽♀️
a sudden series of very long and tall waves
tsunami🌊
measures damage on earth
Mercalli scale
Plate boundaries move apart forming a gap
Normal fault
the beginning part of an earthquake the location from which seismic waves travel outwards
Focus 🧘
Paper recording of the waves
Seismogram 📈
reinforcing the strength of already existing structures
retro fitting📻☎️📼👴📜