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.
For further assistance: 1  Call the FMS at 1-800-304-3107 to find out if your refund was reduced because of an offset. 2  Call the IRS Taxpayer Advocate Service at 1-877-777-4778 (or visit www.irs.gov/advocate) if you feel your refund was reduced in error. The service is free.