GEOLOGY

EARTH SCIENCE

EARTHQUAKES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An earthquake’s ____ is a measurement of its strength based on seismic waves and movement along faults.
A
Energy
B
Intensity
C
Magnitude
D
None of the above
Explanation: 

Detailed explanation-1: -It was replaced with the Moment Magnitude Scale, which records all the different seismic waves from an earthquake to seismographs across the world. Richter’s equations are still used for forecasting future earthquakes and calculating earthquake hazards.

Detailed explanation-2: -Richter scale-is a rating of an earthquake’s magnitude based on the size of the earthquake’s seismic waves and fault movement. The seismic waves are measured by a seismograph.

Detailed explanation-3: -The Richter Scale It used a formula based on the amplitude of the largest wave recorded on a specific type of seismometer and the distance between the earthquake and the seismometer.

Detailed explanation-4: -Magnitude is the size of the earthquake. An earthquake has a single magnitude. The shaking that it causes has many values that vary from place to place based on distance, type of surface material, and other factors. See the Intensity section below for more details on shaking intensity measurements.

Detailed explanation-5: -Magnitude is a measure of earthquake size and remains unchanged with distance from the earthquake. Intensity, however, describes the degree of shaking caused by an earthquake at a given place and decreases with distance from the earthquake epicentre.

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