Earthquake

n.	1.	A shaking, trembling, or concussion of the earth, due to subterranean causes, often accompanied by a rumbling noise. The wave of shock sometimes traverses half a hemisphere, destroying cities and many thousand lives; - called also earthdin, earthquave, and earthshock. Earthquake alarm a bell signal constructed to operate on the theory that a few seconds before the occurrence of an earthquake the magnet temporarily loses its power.
a.	1.	Like, or characteristic of, an earthquake; loud; startling. The earthquake voice of victory. - Byron.

Noun	1.	earthquake - shaking and vibration at the surface of the earth resulting from underground movement along a fault plane of from volcanic activity Synonyms: quake, seism, temblor
	2.	earthquake - a disturbance that is extremely disruptive; "selling the company caused an earthquake among the employees"

earthquake - (IBM) The ultimate real-world shock test for computer hardware. Hackish sources at IBM deny the rumor that the San Francisco Bay Area quake of 1989 was initiated by the company to test quality-assurance procedures at its California plants.

To dream of an earthquake, suggests that you are experiencing a major "shake-up" that is threatening your stability and foundation. The dream highlights you insecurity, fears and sense of helplessness. If you find cover from the quake, you will overcome these challenges. If you become trapped or injured during the quake, you will suffer loss of your business and assets.apoplexy, breakup, cataclysm, climax, convulsion, diastrophism, disaster, fit, overthrow, paroxysm, quake, quaker, shake, shock, spasm, stroke, temblor, tidal wave, tremor, tsunami, upheaval