Your body goes through lots of changes after having your baby. These changes help your body recover from pregnancy and help you get ready to care for your new baby. Itâs normal to feel some discomfort, like soreness and fatigue, as your body heals after giving birth. However, other discomforts and health problems may be a sign that you need medical care.
A road broken by an earthquake. The definition of an earthquake is the release of sudden and extreme energy that is caused by shifting in the Earth's crust. Facts About Earthquakes. A seismometer is used to record and measure the strength of an earthquake. The Mercalli scale is used to measure the earthquake. Anything seven or above is considered extremely dangerous. Earthquakes usually occur along fault lines, or cracks that occur within the Earthâs crust.
earthquake. n. 1. (Geological Science) a sudden release of energy in the earth's crust or upper mantle, usually caused by movement along a fault plane or by volcanic activity and resulting in the generation of seismic waves which can be destructive. sudden movement of the Earth's crust. Earthquakes are caused by the release of built-up stress within rocks along geologic faults or by the movement of magma in volcanic areas. They are usually followed by aftershocks. See Note at fault.