Home > Blossary: Earthquakes
A blossary on different terms relating to earthquakes.

Category: Geography

20 Terms

Created by: Silentchapel

Number of Blossarys: 95

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An earthquake's hypocenter is the position where the strain energy stored in the rock is first released, marking the point where the fault begins to rupture. This occurs directly beneath the ...

Domain: Natural environment; Category: Earthquake

A fracture is any separation in a geologic formation, such as a joint or a fault that divides the rock into two or more pieces. A fracture will sometimes form a deep fissure or crevice in the rock. ...

Domain: Natural environment; Category: Earthquake

A foreshock is an earthquake that occurs before a larger seismic event (the mainshock) and is related to it in both time and space. The designation of an earthquake as foreshock, mainshock or ...

Domain: Natural environment; Category: Earthquake

In geology, a fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement along the fractures as a result of earth movement. Large faults ...

Domain: Natural environment; Category: Earthquake

The epicenter or epicentre is the point on the Earth's surface that is directly above the hypocenter or focus, the point where an earthquake or underground explosion originates. In the case of ...

Domain: Natural environment; Category: Earthquake

An earthquake (also known as a quake, tremor or temblor) is the result of a sudden release of energy in the Earth's crust that creates seismic waves. The seismicity, seismism or seismic activity ...

Domain: Natural environment; Category: Earthquake

Earthquake swarms are sequences of earthquakes striking in a specific area within a short period of time. They are different from earthquakes followed by a series of aftershocks by the fact that no ...

Domain: Natural environment; Category: Earthquake

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