To prepare for an earthquake, prepare your house by placing objects to minimize falling damage. Draft an emergency plan, and practice earthquake drills. During an earthquake, drop to your hands and knees, cover your head... More »

www.reference.com Science Earth Science Earthquakes

According to Time.com, Japan has one of the most advanced early earthquake warning systems in the world. The system was launched in 2007 and detects tremors, calculates an earthquake's epicenter and sends out short warni... More »

Unfortunately, there is no easy way to prepare for a colonoscopy because all colonoscopies require an average of 16 hours worth of preparation, reports Harvard University. In fact, the frustratingly long and uncomfortabl... More »

www.reference.com Health Diagnostics & Imaging

An earthquake is defined as a series of vibrations within the earth's crust that are caused by the rupture of its rocks. This rupture is due to the gradual accumulation of elastic strain within the crust. More »

According to the U.S. Geological Society, the area in the Earth's crust where an earthquake forms is called the hypocenter. Unpredictable in nature, earthquakes form when energy from the crust is released, causing vibrat... More »

Finding the epicenter of an earthquake requires coordination between at least three seismographs separated by, ideally, hundreds of miles. This is because a seismograph is only capable of registering the strength and amp... More »

According to Smithsonian magazine, the Great Kanto earthquake was caused by a seismic fault line six miles below the floor of Sagumi Bay. Close to noon on September 1, 1923, a 60 square mile portion of the Philippine oce... More »