Natural environment

Natural environment

Related to any physical feature of the earth's natural environment.

17Categories 71833Terms

Add a new term

Contributors in Natural environment

Become a Contributors

Natural environment > Earthquake

bedrock

Natural environment; Earthquake

Solid rock that is exposed or underlies softer rock, sediments, or soil.

floating earthquake

Natural environment; Earthquake

Earthquakes in regions of moderate to high seismicity that cannot be correlated with known geologic structures and thus are assumed to be likely to occur at any location in the ...

body wave

Natural environment; Earthquake

Seismic vibration from an earthquake propagated deep underground.

focal depth

Natural environment; Earthquake

The depth below the surface of the hypocenter or focus of an earthquake.

body-wave magnitude

Natural environment; Earthquake

See magnitude, body wave.

focus

Natural environment; Earthquake

The point within the earth where earthquake rupture begins.

brittle behavior

Natural environment; Earthquake

Failure (sudden loss of strength) at some critical stress either by breaking along a new fracture or, most commonly, by frictional sliding on an already existing fracture.