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.
From Wikipedia, the free encyclopedia. Seismology (/saÉªzËmÉlÉdÊi/ ; from Greek ÏÎµÎ¹ÏÎ¼ÏÏ earthquake and -Î»Î¿Î³Î¯Î± study of) is the scientific study of earthquakes and the propagation of elastic waves through the Earth or through other planet-like bodies.cholarly interest in earthquakes can be traced back to antiquity. Early speculations on the natural causes of earthquakes were included in the writings of Thales of Miletus (c. 585 BCE), Anaximenes of Miletus (c. 550 BCE), Aristotle (c. 340 BCE) and Zhang Heng (132 CE).