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

Earthquakes happen when the parts of the Earth's crust called plates rub, scrape or bump against each other. About half a million earthquakes happen each day, but they are small or too far below the surface for people to... 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 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 »

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 »

You can make a seismograph to measure vibrations such as earthquakes with such objects as a cup, a string, a box and a marker. This in-home science project only takes 10 to 20 minutes to set up. More »

www.reference.com Science Earth Science Earthquakes

The seismograph and the seismoscope are the two main instruments used to measure the strength of earthquakes. The seismoscope is a simple instrument that measures the time that an earthquake takes place. The seismograph ... More »