How is epicenter determined?
Scientists use triangulation to find the epicenter of an earthquake. ... To determine the direction each wave traveled, scientists draw circles around the seismograph locations. The radius of each circle equals the known distance to the epicenter. Where these three circles intersect is the epicenter.
What is an example of Epicenter?
Epicenter is defined as the central point of something, or the point of the Earth's surface right above the focus of an earthquake. The central point of an earthquake is an example of an epicenter. A troubled child who is the central point of his parents concern is an example of an epicenter of concern.
What is another word for epicenter?
What is another word for epicenter?
What does the phrase ground zero mean?
English Language Learners Definition of ground zero : the point on the earth's surface directly above, below, or at which an explosion (especially a nuclear explosion) occurs. : the central point in an area of fast change or intense activity. : the beginning state or starting point.
What is epicenter in simple words?
The epicenter, epicentre (/ˈɛpɪsɛntər/) or epicentrum in seismology is the point on the Earth's surface directly above a hypocenter or focus, the point where an earthquake or an underground explosion originates.
What is the difference between center and epicenter?
In seismology, the epicenter is the place on the surface of the earth above the origin of an earthquake, whereas the hypocenter is the actual starting point within the earth. ... In seismology, the epicenter refers to the part of the earth's surface directly above the focus of an earthquake.
Where is an earthquake's epicenter located?
The epicenter is the point on the earth's surface vertically above the hypocenter (or focus), point in the crust where a seismic rupture begins.
What is epicenter and focus?
The hypocenter is the point within the earth where an earthquake rupture starts. The epicenter is the point directly above it at the surface of the Earth. Also commonly termed the focus.
What happens to lag time the further you are from the epicenter?
The longer the lag time, the closer the distance. The longer the lag time, the farther the distance. The shorter the lag time, the farther the distance. There is no relationship.
Which type of earthquake will be the most destructive?
Although surface waves travel more slowly than S-waves, they can be much larger in amplitude and can be the most destructive type of seismic wave. There are two basic kinds of surface waves: Rayleigh waves, also called ground roll, travel as ripples similar to those on the surface of water.
Which type of waves is the most destructive wave?
Seismic waves can be classified into two basic types: body waves which travel through the Earth and surface waves, which travel along the Earth's surface. Those waves that are the most destructive are the surface waves which generally have the strongest vibration.
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