Yes, they always are. This is because they are floating on the mantle which is a liquid that also moves.
Most volcanoes are formed by the movement of tectonic plates on the surface of the earth. These plates are basically huge pieces of rock that 'float' on the mantle (a layer of the earth that is sort-of liquid rock). The tectonic plates are in constant motion, albeit very slow motion. They sometimes move toward each other, other times they'll move apart, and still other times one will sink while the other rises above it.
Most volcanoes are formed by the movement of tectonic plates on the surface of the earth. These plates are basically huge pieces of rock that 'float' on the mantle (a layer of the earth that is sort-of liquid rock). The tectonic plates are in constant motion, albeit very slow motion. They sometimes move toward each other, other times they'll move apart, and still other times one will sink while the other rises above it.
Earth's plates are constantly in motion because of convection currents in the mantle. How this energy translates to individual plates is still not understood. (see the related question)
Yes, and, no. Yes, waves are created by tectonic plates during an earthquake (When two or more tectonic plates rub together and make huge vibrations) and even cause tsunami waves. Waves are not formed when the plates are still, though.
Due to tectonic plates floating on the surface of the semi-molten mantle, movement of the Earth's crust is still happening. Land is still rising and sinking in places. Mount Everest is reputed to be still rising due to the collision between the Indian and Asian tectonic plates, which caused the formation of the Himalayas. Weathering (erosion) is happening all the time.
continental drift. they are still moving today, but only at about 2.5 cm a year.
It is because the tectonic are not still. They are constantly in motion even though it is almost negligible . When such two vibrating plated come in contact with each other, they produce seismic waves which sometimes result as earthquake.
Due to tectonic plates floating on the surface of the semi-molten mantle, movement of the Earth's crust is still happening. Land is still rising and sinking in places. Mount Everest is reputed to be still rising due to the collision between the Indian and Asian tectonic plates, which caused the formation of the Himalayas. Weathering (erosion) is happening all the time.
When plates collide or slide apart, earthquakes can be caused."There's really only one explanation for all of the questions about tectonic plates popping up... Why not just do your own homework? It would work a lot faster than waiting for some other random person to do it for you. Alas, (wow I just said "alas") I still answered the question for you..." - anh1227
There is almost no crust under Hawaii because it is under a divergent boundary or two tectonic plates pulling away from each other so magma is still rising onto or around Hawaii. So the tectonic plates are not under Hawaii and since tectonic plates make most of the crust on earth there is practically no crust under Hawaii.
Snails are sometimes used to illustrate the movement of Earth's tectonic plates because they demonstrate the concept of slow, gradual movement. While snails move very slowly, they can still represent the movement of tectonic plates over millions of years in a simplified way. This analogy helps visualize the continuous shifting of Earth's crust.
pangea would still be here