Acceleration 11 : The rate of change of velocity of a reference point. Commonly expressed as a fraction or percentage of the acceleration due to gravity (g) where g = 980 cm/s2. - (USGS)
James Daniell (compiler), Glossary of Earthquake Terms (shortened list of the most important terms), Earthquake-Report.com, Guam, USA 2011. http://earthquake-report.com/2011/02/15/glossary-o f-earthquake-terms-2/, (ND/ Erthq - Brit) {898}