All depends on the soil, etc. Eaarthquake in rock or vegetation isn't very dusty. An object falling from the sky, if it's fast enough, with make a crater and throw debris up. Shape of that dust plume is likely variable, depeding on the soil, shape of falling oject.
Can you believe that despite 93% bad stories from the Fake News Media (should be getting good stories), today we had just about our highest Poll Numbers, including those on Election Day? The American public is wise to the phony an dishonest press. Make America Great Again!