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Do seismic waves speed up or slow down as they travel downward and reach the Moho?
Seismic waves generally speed up as they travel downward and reach the Moho, the boundary between the Earth's crust and mantle. This increase in speed is due to the change in density and composition of the Earth's layers, causing the waves to travel faster in the more rigid mantle layer compared to the crust.
What are the three types of seismic waves according to their velocity?
Seismic waves are waves that travel through the Earth or other elastic body2 to 8 kilometersThe primary factor is the composition of the rock that the wave travels through. Secondarily, temperature tends to lower the wave speed and pressure tends to increase the wave speed.
In which area do seismic waves change dramatically in speed?
they use vaginas
Which seismic wave moves through Earth at the fastest speed?
Primary waves (P-waves) move through Earth at the fastest speed among seismic waves. They are able to travel through both solids and liquids, making them the first waves to be detected after an earthquake.
What does an increase in density of the medium have on the speed of an earthquake?
An increase in density of the medium generally results in an increase in the speed of an earthquake. This is because denser materials transmit seismic waves more efficiently than less dense materials, allowing the waves to travel faster through the medium.
What is a place inside the earth where the speed of seismic waves increase sharply?
MOHO(:
What is ther kind of seismic wave that travels fast and increase its speed with depth?
The seismic wave that travels fast and increases its speed with depth is called a primary or P-wave. P-waves are compressional waves that can travel through solids, liquids, and gases, and they are the fastest seismic waves.
How the structure of earth interior affects seismic waves speed and direction?
The structure of Earth's interior affects seismic wave speed and direction differently at different boundaries. As P waves enter the mantle, they pick up speed until they enter the core, where the wave paths are bent sharply.
Why do seismic waves change speed?
"True, the Seismic Waves change speed and direction when they encounter different materials."
Place within the Earth where the speed of seismic waves increase sharply?
m to the o to the h to the o
When seismic waves increase in speed what does it tell us about the rock?
When seismic waves increase in speed, it typically indicates that the rock they are traveling through is denser and more rigid. This is because higher density and stiffness allow seismic waves to propagate faster. Additionally, it may suggest that the rock is less fractured or contains fewer voids, contributing to the increased velocity of the waves. Overall, faster seismic waves are often associated with deeper or more consolidated geological formations.
What affects the speed of seismic waves?
The speed of seismic waves are affected by the type of material that the waves are traveling through. in other words (as an example): some type of waves can travel through rocks but not through liquids.
Do seismic waves speed up or slow down as they travel downward and reach the Moho?
Seismic waves generally speed up as they travel downward and reach the Moho, the boundary between the Earth's crust and mantle. This increase in speed is due to the change in density and composition of the Earth's layers, causing the waves to travel faster in the more rigid mantle layer compared to the crust.
What happened as Waves from deeper waters enter shallower waters?
Amplitude and frequency increase and speed decreases
Does the moho layer increase the speed of seismic waves?
No, the moho layer does not increase the speed of seismic waves. Instead, the moho layer marks the boundary between the crust and the underlying mantle, where seismic waves typically change in velocity due to the differing properties of these two layers.
The velocities of seismic waves traveling from earthquake foci?
The velocities of seismic waves traveling from earthquake foci depend on the type of waves and the properties of the material they travel through. For example, P waves are faster than S waves because they are compressional waves that can travel through both solids and liquids. The speed of seismic waves can also give information about the nature and structure of the Earth's interior.
What happens to seismic waves in the air?
In air, the seismic waves(P-wave) are simply sound waves, and travel with the speed of sound (approx. 335 m/s).
