what is mean of earthquake
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An earthquake (also known as a quake, tremor or temblor) is the result of a sudden release of energy in the Earth’s crust that creates seismic waves. The seismicity or seismic activity of an area refers to the frequency, type and size of earthquakes experienced over a period of time. Earthquakes are measured with a seismometer; a device which also records is known as a seismograph. The moment magnitude (or the related and mostly obsolete Richter magnitude) of an earthquake is conventionally reported, with magnitude 3 or lower earthquakes being mostly imperceptible and magnitude 7 causing serious damage over large areas. Intensity of shaking is measured on the modified Mercalli scale. The depth of the earthquake also matters: the more shallow the earthquake, the more damage to structures (all else being equal).
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HEY THERE....
UR ANSWER....
VIOLENT MOVEMENT OF THE EARTH'S SURFACE IS KNOWN AS EARTHQUAKR.
HOPE THIS HELPS UU
THANK U
UR ANSWER....
VIOLENT MOVEMENT OF THE EARTH'S SURFACE IS KNOWN AS EARTHQUAKR.
HOPE THIS HELPS UU
THANK U
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