# GENERAL GEOLOGY

## GEOLOGY

### ENGINEERING GEOLOGY

 Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Ratio of EQ based on actual effect produced by quakes on earth
 A Epicenter B Intensity C Focus D Magnitude
Explanation:

Detailed explanation-1: -A better measure of the size of an earthquake is the amount of energy released by the earthquake, which is related to the Richter Scale by the following equation: Log E = 11.8 + 1.5 M (where Log refers to the logarithm to the base 10, E is the energy released in ergs and M the Richter magnitude).

Detailed explanation-2: -Magnitude measures the energy released at the source of the earthquake. Magnitude is determined from measurements on seismographs. Intensity measures the strength of shaking produced by the earthquake at a certain location. Intensity is determined by its effects on people, human structures, and the natural environment.

Detailed explanation-3: -Earthquakes shake the ground because fault rupture releases vibrations that radiate in the form of seismic energy. These earthquake waves, also called body waves, come in two distinct forms: Primary or āPā waves and Secondary or āSā waves.

Detailed explanation-4: -An earthquake generates seismic waves that penetrate the Earth as body waves (P & S) or travel as surface waves (Love and Rayleigh). Each wave has a characteristic speed and style of motion.

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