Would this realistically work? Could her seismic sense move so far that she sees someone like a kilometer away and can move her sniper pinpoint to their location?

Jintoo said in comment #2619633:

Would this realistically work? Could her seismic sense move so far that she sees someone like a kilometer away and can move her sniper pinpoint to their location?

Realistically, there's no way people can use elemental powers, so all she can do is spray and pray.
"Realistically", eeeeh... Probably not, she'd need more years to get to that level.