what is an earthquake briefly explain the type of earthquake
Answers
Answer:
There are four different types of earthquakes: Tectonic, volcanic, collapse and explosion. A tectonic earthquake is one that occurs when the earth's crust breaks due to geological forces on rocks and adjoining plates that cause physical and chemical changes.
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Answer:
An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in size from those that are so weak that they cannot be felt to those violent enough to propel objects and people into the air, and wreak destruction across entire cities. The seismicity, or seismic activity, of an area is the frequency, type, and size of earthquakes experienced over a period of time. The word tremor is also used for non-earthquake seismic rumbling.
TYPE OF EARTHQUAKE-
Aftershock, a smaller earthquake that occurs after a previous large earthquake, in the same area of the main shock
Blind thrust earthquake, an earthquake which occurs along a thrust fault that does not show signs on the Earth's surface.
Cryoseism, a seismic event that may be caused by a sudden cracking action in frozen soil or rock saturated with water or ice
Deep-focus earthquake, also called a plutonic earthquake, an earthquake with a hypocenter depth exceeding 300 kilometres (190 mi)
Earthquake swarm, events where a local area experiences sequences of many earthquakes striking in a relatively short period of time
Foreshock, an earthquake that occurs before a larger seismic event (the mainshock) and is related to it in both time and space
Harmonic tremor, a sustained release of seismic and infrasonic energy typically associated with the underground movement of magma, the venting of volcanic gases from magma, or both
Induced seismicity, typically minor earthquakes and tremors that are caused by human activity that alters the stresses and strains on the Earth's crust
Interplate earthquake, an earthquake that occurs at the boundary between two tectonic plates
Intraplate earthquake, an earthquake that occurs within the interior of a tectonic plate
Megathrust earthquake, an earthquake occurring at subduction zones at destructive convergent plate boundaries, where one tectonic plate is forced underneath another
Remotely triggered earthquakes, a result of the effects of large earthquakes at considerable distance, outside of the immediate aftershock zones
Slow earthquake, a discontinuous, earthquake-like event that releases energy over a period of hours to months, rather than the seconds to minutes characteristic of a typical earthquake
Submarine earthquake, an earthquake that occurs underwater at the bottom of a body of water, especially an ocean
Supershear earthquake, an earthquake in which the propagation of the rupture along the fault surface occurs at speeds in excess of the seismic shear wave (S-wave) velocity, causing an effect analogous to a sonic boom
Strike-slip earthquake, an earthquake where two tectonic plates sliding past each other get caught, build tension, then slide free, creating an earthquake.
Tsunami earthquake, an earthquake that triggers a tsunami of a magnitude that is very much larger than the magnitude of the earthquake as measured by shorter-period seismic waves
Volcano tectonic earthquake, an earthquake induced by the movement (injection or withdrawal) of magma