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Earthquakes are natural processes that occur beneath the earth's surface and, if strong enough, their reverberations can not only be felt by humans but can induce significant damage to the environment. Scientists are con... More »

www.reference.com Science Earth Science Earthquakes

An earthquake is a violent shaking of the ground that often causes destruction to life and property. An earthquake occurs when two parts of earth slip past one another, creating seismic waves. Some areas are especially p... More »

www.reference.com Science Earth Science Earthquakes

The 2010 earthquake that devastated Haiti took place on January 12th, at 4:52 p.m. The earthquake had a 7.0 magnitude on the Richter scale, which is defined as a major earthquake that causes damage to most buildings and ... More »

www.reference.com Geography Caribbean
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The BBC explains that, in addition to a significant human death toll, earthquakes destroy the environment in the surrounding area by causing fires, tsunamis and landslides. While these events have relatively short-term e... More »

www.reference.com Science Earth Science Earthquakes

As of 2014, estimates suggest that over 500,000 earthquakes occur each year, and 100,000 of these are strong enough to be felt by humans. Since 1900, there has been a global average of 18 major earthquakes, and one giant... More »

www.reference.com Science Earth Science Earthquakes

Approximately 1,500 earthquakes are recorded in Japan every year. The magnitude of each earthquake varies, and larger earthquakes between 4 and 7 on the Richter scale regularly occur. Records from the early 1990s indicat... More »

www.reference.com Science Earth Science Earthquakes

The Chinese seismograph was an instrument developed in 132 A.D. by the Chinese philosopher Chang Hêng to detect earthquakes and determine the direction from which they came. It was a brass instrument decorated with eight... More »

www.reference.com Science Earth Science Earthquakes