The maximum S-amplitude, given in mm scale of a recorded earthquake by a standard seismometer at 100 km away from the epicenter, is converted to magnitude (M) by the following relation. About 900-1,000 times more energy.
MG is a British automotive marque registered by the now defunct MG Car Company Limited, a British sports car manufacturer begun in the 1920s as a sales promotion sideline within W R Morris's Oxford city retail sales and service business by the business's manager, Cecil Kimber.
Model MG. The MG is a digital level transmitter designed specifically for inventory monitoring of large aboveground storage tanks for chemical and petroleum applications. The MG offers 3-IN-1 measurement of the product level, interface level, and temperature from one process opening.