An earthquake epicenter is the a. point of maximum destruction caused by an eart

Question

An earthquake epicenter is the a. point of maximum destruction caused by an earthquake. b. point on the surface directly above the point of initiation of rupture along a fault in the ground. c. point within the earth where movement along a fault stops. d. approximate center of a group of related, but spatially separate earthquakes. Earthquake epicenters are most closely correlated with _______. a. continental interiors b. plate boundaries c. population centers d. continental shelves e. high latitudes Facts about the interior of the earth are derived mainly from: a. composition of volcanic materials b. behavior of earthquake waves c. knowledge of the earth's density Who discovered the crust-mantle seismic discontinuity? a. Beno Gutenberg, 1936 b. Petrovich Divacs, 1914 c. Charles Richter, 1888 d. Andrija Mohorovicic, 1909 A seismic shadow zone: a. is the reason the earth has a crust. b. is evidence for the Moho. c. is another name for the "orographic effect". d. results from the interference of the earth's core with the passage of seismic waves. e. is present for P waves, but not for S waves. The Richter scale a. measures earthquake frequency b. predicts earthquakes c. measures earthquake energy d. tells distance to the earthquake focus

Explanation / Answer

Question 1) answer) option b)

Reason : The epicenter is the defined as the point on the earth's surface vertically above the hypocenter focus point in the crust where seismic rupture is initiated

Question 2) answer) option b) plate boundaries

Reason : generally earth quakes are most commonly correlated with plate boundaries

Question3) answer) option b)

Reason : behaviour of earthquake waves helps us to study interior of earth

Question 4) answer) option d)

Reason : The Mohorovicic Discontinuity, discovered by Mohorovicic is defined as the boundary between the crust and the mantle

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