Question

Which Earthquake among following would have highest intensity?
(a) Earthquake that occurs with focus at 50 Km. deep in earth
(b) Earthquake that occurs with focus at 120 Km. deep in earth
(c) Earthquake that occurs with focus far away from epicenter at the surface.
(d) Earthquake that occurs with focus at the surface.

Answer 1

Answer to the given question

Explanation:

• Earthquakes often occur in upper mantle or crust, which lies or ranges from earth - surface to around 900 kilometers deep.

• The intensity of earthquake get decreases with increasing the distance from earthquake source. Intensity of earthquake which occurs at 120 Km is less than that occur at 50 Km deep in earth.

• Earthquake with maximum intensity occur near epicenter.
• Option A is the correct answer for this question.