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Steplike linear landform caused by the geologically recent offset of the land surface by a fault.
Industry:Natural environment
A feature in the magnetic field produced by the distribution of magnetised material in the earth.
Industry:Natural environment
A discrete section of a fault, separated by recognisable boundaries that tends to rupture independently.
Industry:Natural environment
The intersection of a fault with the land surface.
Commonly plotted on geologic maps to represent the location of the fault.
Industry:Natural environment
A number that characterises the size of an earthquake by measuring the motions recorded by a seismograph and correcting for the distance to the epicentre of the earthquake.
Industry:Natural environment
A measure of the of the magnitude of an earthquake determined from P waves.
Industry:Natural environment
A measure of the magnitude of a local earthquake originally defined by Charles Richter using the maximum amplitude recorded by horizontal-component seismographs.
Industry:Natural environment
A sloping faulting on which the block above the fault has moved downward relative to the block below.
Industry:Natural environment
The magnitude of an earthquake determined from seismic moment.
Industry:Natural environment
