Much of the San Francisco Marina District is built on artificial fill debris from the buildings ruined by the 1906 earthquake.Seismic waves in 1989 were ____________ in this artificial fill.

Question

Quizplus · Accepted Answer

Seismic waves were amplified in the artificial fill of the San Francisco Marina District. This is because the loose and poorly compacted soil of the fill allows seismic energy to be transmitted more efficiently, leading to greater ground motion and amplification of seismic waves.

Much of the San Francisco Marina District Is Built on Artificial