Predicting where an earthquake epicenter will occur is easier because are patterns to look at due to the fact that they always occur near plate boundaries. Predicting when they will occur is difficult because they do not follow any certain pattern.
As the human impacts, their physical environment in many ways the growth of the population as the overpopulation, the pollution, and by the burning fossil fuels, and the deforestation and thus the environment provides many possibilities that human can make use of and thus there physical environment shows the components of their activities like those involved the climate change.