The friction between the plates.
When the friction is resolved, an earthquake occurs.
two tectonic plates floating into each other.
South Carolina 1886
usually an earthquake occurs because underneath the earths crust are tectonic plates and when they move occasionlly one will get caught but the outside is still moving and that causes an earthquake
Volcanoes occur when two techtonic plates come together, like an earthquake- which sometimes causes the formation of a volcano, push through the crust.
The plates moved so this can occur the earthquake.
The most recent major earthquake in Nevada happened in Wells, February 21 2008. Small earthquake happen all over the state every week because Nevada is on top of many fault lines.
an earthquake
Earthquakes are caused when pressure builds up as two tectonic plates move together. As the pressure is released, an earthquake is produced.
Small foreshocks that precede a major earthquake can occur
Because there are tectonic plates there in the lithosphere.
because of moving plates
The earthquake in Tokyo occured because, Tokyo lies on three tectonic plates. When those plates come together, seperate, or slide past each other an earthquake happens. However, Tokyo is also a city in a major fault zone!