In Order to Provide an Early Warning System,which of the Following

Multiple Choice

In order to provide an early warning system,which of the following is least helpful in trying to predict a tsunami?

A) Worldwide seismic networks that broadcast warnings based on an earthquake's potential for generating a tsunami
B) Deploying warning buoys to detect small changes in sea level
C) Monitoring earthquakes on land
D) Considering the tectonic setting and type of plate boundary that is nearby