Scientists measure earthquakes with Moment Magnitude scale over Richter scale

Richter and Mercalli scales used to measure earthquakes | Britannica

How the Richter Scale Measures Earthquakes | Britannica

Richter Scale Definition, Uses & Range

the magnitude of an earthquake measured on the richter scale is log10 where is the amplitude registered on a seismograph lo 100 km from the epicenter of the earthquake and io is the amplitu 13013

Happy Birthday to the Richter Scale inventor: It's National Richter Scale Day

a formula for calculating the magnitude of an earthquake is m23logee0 that uses the common base 10 logarithm this is called the moment magnitude scale mms an alternative to the more well known richter