You belong to a community that lives beside a river with a known fault line. You are asked to make an evaluation plan in case an earthquake occurs. Which of the following would be a likely solution?

a. Following the 2m easement zone and then removing the structures that block the alleys.
b. Constructing a dike to as to prevent water from the river from spilling over.
c. Putting communication systems within the community in order to give warning in case of emergencies.
d. Putting up signages that warn people about the location of the fault. ​