The accompanying image shows a double- decked section of interstate 880 (the nimitz freeway) that collapsed during the 1989 loma prieta carthquake and caused 42 deaths. aboutsoft mud 1.4 kilometers (0.9 mile) of this freeway sec- tion, commonly called the cypress viaduct, collapsed, while a similar section survived the vibration. both sections were su ished and rebuilt as a single-level structure, at a cost of $1.2 billion. examine the map and seismograms from an aftershock that shows the intensity of shak- ly demol # 1-1 cypress viaduct #2 ing observed at three nearby locations to answer the following questions: oakland a. what type of ground material experienced the least amount of shaking during the aftershock? what type of ground materials experienced the greatest amount of ground shaking during the same event? b. c. which of the two sections of the cypress viaduct shown on the map do you think col lapsed?