Question

which are caused by earth vibration

Answer 1

Answer:

EARTH'S VIBRATION.

Explanation:

Around the world, seismologists are observing a lot less ambient seismic noise -- meaning, the vibrations generated by cars, trains, buses and people going about their daily lives. And in the absence of that noise, Earth's upper crust is moving just a little less.

Answer 2

Answer:

earthquake caused by earth vibration.