Maya Indians. The Maya Indians were a group of early people who lived in regions from Central America to Mexico.They were a vast and large group and well civilized. The Maya Indians early culture and forms of learning have fascinated archaeologists, Sociologists, and Anthropologists.aya Indians. The Maya Indians were a group of early people who lived in regions from Central America to Mexico.
The difference between the Richter and Mercalli scales, both intended to measure earthquake severity, is that the Richter scale is a mathematical scale based on the measurements of scientific instruments, while the Mercalli scale is based on witness observation and structural damage.
The MercalliâCancaniâSieberg scale was later modified and published in English by Harry O. Wood and Frank Neumann in 1931 as the MercalliâWoodâNeumann (MWN) scale. It was later improved by Charles Richter, the father of the Richter magnitude scale.The scale is known today as the Modified Mercalli scale (MM) or Modified Mercalli Intensity scale (MMI).t was later improved by Charles Richter, the father of the Richter magnitude scale. The scale is known today as the Modified Mercalli scale (MM) or Modified Mercalli Intensity scale (MMI).