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To find the epicenter (the point on the earth's surface where an earthquake begins) during earthquakes, one need to view the seismogram (a record of the ground motion), and at least two other seismographs recorded for the same earthquake. Other instruments such as a map, a compass for sketching circles on the map, a ruler, and a pencil will also be used.
The following are the steps of the triangulation process in the correct order to find the epicenter during earthquakes:
Step 1: Subtract the time of P wave arrival from S wave arrival.
Step 2: See what the time difference is equal to in distance on a seismic wave chart.
Step 3: Draw circles representing the distances from at least three seismograph stations to the epicenter on a map.
Step 4: Find the point where all 3 circles intersect, and you've found the earthquake's epicenter.
Seismologists are interested in the possibility of the two faults being connected together is because two faults tells the possibility of upcoming of natural disasters like earthquake.
Seismic waves are the elastic waves that propagate in solid or fluid materials. They can be divided into the body waves that travel through the interior of the materials; the surface waves that travel along surfaces or interfaces between materials; and the normal modes, a form of standing wave.
There are the two types of body waves, pressure waves or primary waves (P-waves) and the shear or secondary waves (S-waves). P-waves are longitudinal waves that involves compression and expansion in the direction that wave is moving and are always the first waves to appear on the seismogram as they are the fastest moving waves through solids
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Answer:
LIviing in the forest and eating bisons
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