To what extent can earthquakes be predicted?

List 8 methods or equipment which can help to predict an earthquake.

What role does a radon gas sensor play?

What role do satellite surveying and remote sensing play?
(Bonus: how accurate are they? how is the information received?)

What role do laser reflectors and levelling play?

What role does a seismometer play?
(Bonus: how does this contribute to the bigger picture?)

What role do gravity meters, magnetometers and electrical resistivity meters play?

What role does a strain meter play?
(Bonus: why may this be useful in LEDCs?)

What role does a water table level play?

What other atmospheric information may be useful in predicting earthquakes?
(Hint: visible light, infra-red)
(Bonus: give an example)

Give ways in which Japanese local authorities attempt to lessen the impact of an earthquake relating to buildings.
(Hint: there are 5)

Give other ways in which Japanese local authorities attempt to lessen the impact of an earthquake.

Give an example of the fatal effects of non-earthquake proof structures.

What solution may be put in place to make existing structures (e.g. freeways) more earthquake proof?