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A geological event caused by shifting tectonic plates, triggered by a sudden release of energy in the Earth's crust that creates seismic waves. Earthquakes are recorded with a seismometer, also known as a seismograph. The moment magnitude (or the related and mostly obsolete Richter magnitude) of an earthquake is conventionally reported. Magnitudes of 3 or lower are mostly imperceptible; magnitudes of 7 or more cause serious damage over large areas. Intensity of shaking is measured on the modified Mercalli scale
Cause of death Direct trauma due to collapse of buildings, dehydration, shock, crush injury
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Under the Richter scale, each increase of 1 on the scale is an increase of 10 times in the energy released by a quake. A quake of 7.0 is 10 times more powerful than a quake of 6.0, which is 10 times more powerful than a quake of 5.0.
In a video uploaded on Twitter a few hours after the quake, authorities asked people to return to their houses.
a 3.2 magnitude quake occurred 34.4 km south of Yilan County Hall at a depth of 21.7 km.
He noted that Botswana has technology that could detect earth quakes, adding that there was no technology developed in the world that detected earth quakes before they occured.
Where might a powerful quake strike in the United States?
Quake Champions will launch on Windows PC and is slated to be released later this year at an unconfirmed date.
Powerful earthquakes thousands of miles (km) away can trigger swarms of minor quakes near wastewater-injection wells like those used in oil and gas recovery, scientists reported on Thursday, sometimes followed months later by quakes big enough to destroy buildings.
The past decade has been plagued with what seems to be a cluster of large earthquakes, with massive quakes striking Sumatra, Chile, Haiti and Japan since 2004.
For instance, the damage caused by a New Madrid quake wasn't always correlated with distance from its epicenter, making estimating magnitude quite tricky.
Closer to land, a 5.3 magnitude quake occurred last July 28 only 85 miles west of Coos Bay.
Soldiers from the Chinese People's Liberation Army (PLA) have rescued 1,200 people and treated more than 8,700 injured in the quake zone as of 12:00 a.m.