Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Sin. old form of Since. 2  Sin(noun) transgression of the law of God; disobedience of the divine command; any violation of God's will, either in purpose or conduct; moral deficiency in the character; iniquity; as, sins of omission and sins of commission.
An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth, resulting from the sudden release of energy in the Earth's lithosphere that creates seismic waves. Earthquakes can range in size from those that are so weak that they cannot be felt to those violent enough to toss people around and destroy whole cities.
Earthquake. An earthquake is a sudden, rapid shaking of the earth caused by the breaking and shifting of rock beneath the earthâs surface. Earthquakes strike suddenly, without warning, and they can occur at any time of the year, day or night.Forty-five states and territories in the United States are at moderate to very high risk of earthquakes, and they are located in every region of the country. After an earthquake, the disaster may continue. 2  Expect and prepare for potential aftershocks, landslides or even a tsunami. 3  Tsunamis are often generated by earthquakes. 4  Each time you feel an aftershock, drop, cover and hold on. 5  Aftershocks frequently occur minutes, days, weeks and even months following an earthquake.