P Wave S Wave Formula

Following is the table for p and s waves formula based on the distance between the earthquake location and the location of the seismic station.

P wave s wave formula. Gao in treatise on geochemistry second edition 2014. There are more than one way to explain this question. λ is he first lame parameter. µ is the shear modulus which describes the material s response to shear stress.

When a p wave strikes the boundary of molten and solid cores inconsistent at an oblique angle s waves will form and propagate in the solid medium. Unlike p waves s waves cannot travel through the molten outer core of the earth and this causes a shadow zone for s waves opposite to their origin. P waves travel faster than other seismic waves and hence are the first signal from an earthquake to arrive at any affected location or at a seismograph p waves may be transmitted through gases liquids or solids. Depends on what you mean by the term of formula.

α 2 λ 2µ ρ β 2 µ ρ ρ is the density of the material through which the wave propagates. The wave equation to motivate our discussion consider the one dimensional wave equation 2u t2 c2 2u x2 3 1 and its general solution u x t f x ct 3 2 which represents waves of arbitrary shape propagating at velocity cin the positive and negative xdirections. They can still propagate through the solid inner core. Local earthquakes with epicenter distance up to 0 500 km.

A p wave or a primary wave is one of the two main types of elastic body waves called seismic waves in seismology. At the very base of the lower mantle within tens of kilometers above the cmb there are localized regions with very pronounced reductions in both p wave velocity and s wave velocity which are called ultralow velocity zones ulvzs. P wave observations also indicate abrupt increases in p wave velocity in some regions but in general the p wave structure is less heterogeneous than for s waves. Christensen and mooney 1995.

The p wave velocity of the lower crust varies from region to region but average temperature corrected velocities for lower crust from a variety of different tectonic settings are high 6 9 7 2 km s 1. For instance velocity of the p and s waves are as below respectively. The p wave and s wave velocities vp and vs tarantola 1986. The continuum is made up of gases as sound waves liquids or solids including the earth.

P waves are a type of elastic wave called seismic waves in seismology that can travel through a continuum. My earth science review. P waves can be produced by earthquakes and recorded by seismographs. One of my students bray came up with this sim.

Regional earthquakes with epicenter distance up to 1000 km. Rudnick and fountain 1995. Stewart 1995 discussed the potential usefulness of the lame parameters λ and μ to better. This is a very common equation in physics and.