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Read this info for your education
The source link is
https://www.mtu.edu/geo/community/seismology/learn/earthquake-measure/magnitude/
E a r t h q u a k e M a g n i t u d e S c a l e
Magnitude Earthquake Effects Estimated Number Each Year
2.5 or less Usually not felt, but can be recorded by seismograph. Millions
2.5 to 5.4 Often felt, but only causes minor damage. 500,000
5.5 to 6.0 Slight damage to buildings and other structures. 350
6.1 to 6.9 May cause a lot of damage in very populated areas. 100
7.0 to 7.9 Major earthquake. Serious damage. 10-15
8.0 or greater Great earthquake. Can totally destroy communities One every year or two
near the epicenter.