Earthquakes's measurements are taken with seismographs.
 The SI units for the seven base physical quantities are:In the SI, base units are the simple measurements for time, length, mass, temperature, amount of substance, electric current and light intensity
 SMM7 was replaced by the New Rules of Measurement, volume 2 (NRM2), which were published in April 2012 by the RICS Quantity Surveying and Construction Professional Group and became operational on 1 January 2013

