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Which earthquake waves are the first to be recorded on a seismometer and are the fastest?
Wiki User
∙ 14y ago
P-waves which are a compression or pressure wave are the fastest seismic waves. As they are the fastest they will reach the seismic station before any of the other seismic waves and be recorded first.
Seismologists can use the difference between the arrival times of different seismic waves to calculate the distance and ultimately the location of the earthquakes epicentre.
For information on this, please see the related question.
Wiki User
∙ 14y ago
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How are P-waves and S-waves related to earthquakes?
They are the names given to the two types of seismic body waves released when an earthquake occurs. P-waves are known as primary waves as they have the highest verlocity of any seismic waves and so are the first to be recorded by a seismometer and they are longitudinal or compression waves. S-waves are known as secondary waves having a lower velocity than the P-wave and so arriving at a seismometer station after the P-waves. S-waves are transverse or shear waves.
After an earthquake which type of seismic wave arrives first at a seismometer?
P waves (APEX)
What year was the first earthquake to happen?
First Recorded Earthquake in Sri Lanka 14th April, 1615
Is the focus of an earthquake the where the movement first occurs?
the first place where the movement first occurs in an earthquake is the focus.
Which happened first in japan earthquake or tsunami?
Obviously, the earthquake happens first and then tsunami follows.
What seismic waves reach the seismometer first after an earthquake?
P waves
Why are P-waves called P-waves?
They are given this name in seismology because they are the fastest travelling of the seismic body waves released by an earthquake. Because they are the fastest, they are detected by seismometer stations first. Hence P for primary wave.
What earthquake waves is the fastest?
The first wave is the fastest
What Instrument measures the density of an earthquake?
The instrument that can measure the density of an earthquake is called an seismometer. The first seismoscope dates back to 132 AD.
Why are 3 seismometers required to locate exactly where an eartquake occurred?
The seismometer records the P and S-wave arrival times. P-waves travel faster through the earth than S-waves and so they arrive at the seismometer station before the S-waves and are recorded by the seismometer first. The difference in arrival time between the two types of seismic wave can be used to calculate the distance of the earthquake's epicentre from the seismometer. This can then be plotted on a map, by drawing a circle with a radius equal to the distance to the epicentre around the seismometer station. This is then repeated for the other two seismometer stations and the point where the three circles intersect is the location of the earthquakes epicentre.
What is the process that is used to find an earthquake's epicenter?
Triangulation. First, they calculate the time between the first and second - primary and secondary - seismic waves created in an earthquake and use this information to determine how far the seismometer is from the epicenter of the earthquake. A circle is drawn around the seismometer so that it is in the center and the radius is equal to the calculated distance. Using this information from three different seismometers, two more circles are drawn and the intersecting point of the three circles is where the epicenter of the earthquake is located.
In what year was the first earthquake recorded?
1615
Is it true that the first recorded earthquake was in April 14 1615?
the first recorded earthquake in sri-lanka was in April 14th 1615 but i dont no if it was the first one ever recorded in history. (hope that helped)
When was the first earthquake ever recorded in chile?
1960 hope it is correct
What is the name of the first earthquake ever recrded?
Scientists have not given earthquakes names as yet but the first recorded instance of someone using an earthquake intensity recording device was by a scientist by the name of Schiantarelli, who in 1783 recorded the intensity of an earthquake that happened in Calabrian, Italy.
These waves originate at the focus and can travel through all types of matter.?
P-waves, which may also be known as primary (as they arrive travel faster than other types of seismic waves and so are recorded on a seismometer first) or pressure waves as they propagate by the compression of matter.
How are P-waves and S-waves related to earthquakes?
They are the names given to the two types of seismic body waves released when an earthquake occurs. P-waves are known as primary waves as they have the highest verlocity of any seismic waves and so are the first to be recorded by a seismometer and they are longitudinal or compression waves. S-waves are known as secondary waves having a lower velocity than the P-wave and so arriving at a seismometer station after the P-waves. S-waves are transverse or shear waves.
