They are not synonyms of each other, but both are used as synonyms of the word "unbiased." Each word has a very broad meaning, and the meanings only intersect when describing an unbiased opinion or view.
By the movement & where it's going too also affect te damage to the earthquake
Let's say that a clock is broken, so stuck on the time 6:15. While most of the day, that clock is incorrect, it is correct at 6:15 AM and 6:15 PM, thus it is right twice a day.