These are forewarnings of certain major happenings in the world.
A quake on mountains points towards evil Ulama.
A quake on one’s own body suggest that one is bereft of all goodness and worthiness.
A tremor is one’s house suggest that his house will become a venue for adultery.
To seen an entire house or part of it in ruins as a result of a tremor is an indication that he owner’s life will terminate shortly.
[1]