Can scientists predict earthquakes? Why or why not?
Earthquakes are somewhat predictable buy monitoring the seismic activity of the likely areas.
Earthquakes are caused by tectonic activity. Scientists are able to monitor tectonic activity using seismographs. The problem is there is no absolute value of a seismic reading that states an Earthquake will occur and it is not 100% accurate that seismic activity will continue, increase or decrease over time.
Water levels may have a slight effect on seismic activity, but there is only very specific examples where it would have an effect.