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MaxineThe Mercalli scale uses Roman numerals to rank the intensity of an earthquake based on its observable effects on people, structures, and the environment. This scale was developed in the early 20th century before modern numerical scales were widely adopted for assessing earthquake intensity.
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What is used to determine placement on the Mercalli Scale?
The Mercalli Scale measures the intensity of an earthquake based on observations of its effects on people, buildings, and the environment rather than scientific instruments. It uses a set of criteria to determine the level of shaking and damage experienced at a specific location during an earthquake.
What measures an earthquake's intensity based on the observed effects on people and structures?
Richter scale, Modified Mercalli scale, Centigrade scale, and the Moment Magnitude scale
What is the mercalli scale of Mexico city 1985?
The earthquake of Mexico City of 1985 is considered to have had a magnitude of VI to VIII (moderate to severe) in the Mercalli Scale, depending on the affected area.
What are all of the scales for measuring earthquakes?
The main scales for measuring earthquakes are the Richter scale, the moment magnitude scale, and the Mercalli intensity scale. The Richter scale measures the amplitude of seismic waves, the moment magnitude scale considers the total energy released by an earthquake, and the Mercalli intensity scale measures the intensity of shaking and its effects on people and structures.
What factors determine the earthquakes intensity on the modified Mercalli scale?
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