tectonic plates are huge pieces of rock formed from the earths crust.
the area where Tectonic plates collide
An area of Tectonic plate collision where the heavier plate will subduct or follow a path underneath the less dense plate.
the widest section of the earth, it i smade up of semi-molten rock called magma, in the upper parts of the mantle the rock is hard but lower down the rock is soft and begining to melt.
used to measure the magnitude of an earthquake and the amount of energy it released.
a scale used to measure the intensity of an earthquake
the immediate effects of the disaster e.g. buildings collapsing, roads cracking, bridges giving away.
the effects that result from the primary effects e.g. homelessness, businesses going bankrupt, an dfires due to explosion of escaping gas from cracked pipes.
molten rock expelled from a volcano during an eruption and the resulting rock after solidification and cooling.
hot liquified rock located deep below the earth's surface.
fixed places within the mantle or oceanic lithosphere where rocks melt to generate magma. When a Hot spot is located in the oceanic lithosphere a class of volcanoes called sheild volcanoes are built.
Pacific ring of fire
an area where large numbers of earthquakes and volcanic eruptions occur in the basin of the Pacific ocean.
heat from within the earth, we can recover this heat or steam or hot water and use it to heat buildings or generate electricity. it is a renewable enegry source because the heat is continuously produced inside the earth.
the 'hypocentre' of an earthquake, the point in the earth where the earthquake rupture or fault movement actually occurred.
the point on the earth's surface directly above the focus of an earthquake.
a device that scientists use to measure earthquakes, the goal is to accuratly record the motion of the ground during a quake.