On the ground.
There is one on Mars, too.
California is in a location that is more prone to volcanoes.
ring of fire
in huwai
Hawaii
yes, they tend to be on plate boundaries :)
Volcanoes usually occur along the line where two plates meet.
Depends on how close you are. If very close, then do everything you can to change your location quickly. If very far away, then nothing at all.
Both Volcanoes and earthquakes are located where plates of the earth's crust are coming together. This motion and interaction at the edges of the plates is called plate tectonics.
All volcanoes have molten rock. o.0
All volcanoes are holes in the Earth that hold magma from underground.
Active volcanoes demonstraight the location of active plate boundries. Dormant volcanoes, such as the Japanese island chain, demonstraight how plate boundries have shifted over time.
There are volcanoes all over the planet.