Geography High School

The original scale for measuring earthquake intensity is called the __________ scale?
A. Gazpacho B. Garbanzo
C. Richter D. Mercalli
E. Saffir-Simpson
The principle difference between a debris flow and an earth flow is _______?
A. shape of the path taken by the moving mass
B. grain size of the moving mass
C. former mass contains abundant water whereas the latter is dry
D. former mass contains pyroclastic debris from a volcanic eruption
E. air is present instead of water

Answers

Answer 1

The original scale for measuring earthquake intensity is called the Richter scale. Thus, option C is correct.

The principal difference between a debris flow and an earth flow is the grain size of the moving mass. Thus, option B is correct.

In order to evaluate the size of different earthquakes, the Richter scale was initially developed to quantify the magnitude of earthquakes of moderate size (i.e., magnitude 3 to magnitude 7). The scale was created for earthquakes that occurred in southern California, was detected by the Wood-Anderson seismograph, and had epicenters that were less than 600 km (373 miles) away from the seismograph's position.

However, current seismographs may be adjusted to calculate Richter magnitudes, and new techniques for determining earthquake magnitude have been created to produce.

Learn more about Richter Scale here:

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