show more I recently received an alias summons for a credit card debt (less then $1,500 through capital one). I was not given the summons, but found it on my doorstep after returning from a long weekend away (I live alone, so no one was home when it was delivered). First, I want to know if it was properly served, and if so,...
Fracking itself can also induce earthquakes, but the technique has never caused earthquakes greater than magnitude 4. For comparison, an Oklahoma injection well is thought to have triggered a magnitude-5.6 earthquake in 2011. Mining blasts and geothermal energy plants can also trigger earthquakes. Quake road map.
Earthquakes are usually caused when rock underground suddenly breaks along a fault. This sudden release of energy causes the seismic waves that make the ground shake. When two blocks of rock or two plates are rubbing against each other, they stick a little. They don't just slide smoothly; the rocks catch on each other. The rocks are still pushing against each other, but not moving.