The layers of the Earth is crust, mantle,  outer   Core and the inner core. The volcano builds up by spilling out the hot hot  liquid that is called larva don’t touch because it will burn you really badly. Earthquakes happen when the tectonic plates overlap, rub together and separate from each other . Drawing an earthquake don’t  run outside because you will get very hurt so stay inside hid underneath a sturdy thing like a sturdy table but don’t hid near glass it can shatter and the glass will hurt on your face and other body parts. Hold on to something that is hard but easy to hold on. When the shaking has stopped you can go outside or stay inside.