Answer:Earthquakes caused by human activity
Sometimes people cause earthquakes. We have already discussed explosions in the introduction. In addition, people can induce earthquakes via isostatic adjustments, which are caused by changes in the weight of Earth's crust. Building structures that weigh down the crust will cause it to slide downward along faults. Conversely, removing earth can make the crust adjust upward.
People have also induced earthquakes by changing the hydrostatic pressure in rock pores. Increasing the pore water pressure sometimes reduces friction between rock bodies along a fault, thereby inducing slippage along the fault. On the other hand, reducing pore water pressure can cause rock bodies to shrink, which will also reduce friction along the fault plane.
Step-by-step explanation:
Pore water pressure is a result of groundwater extraction and wastewater injection
Isostatic adjustment is a result of dam construction
-mining