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.
2. Internal Revenue Service. (1). (1). 3651 S I H 35 Austin, TX 73301. (512) 499-5875.
Quick Answer. Individuals can speak to an IRS representative on the phone by calling the agency's general tax assistant number at 1-800-829-1040, as of 2015. Hearing impaired individuals can reach a live person by calling 1-800-829-4059. The IRS number to call for businesses seeking tax assistance is 1-800-829-4933.