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i found this
Magnitude Equivalence of Examples
Richter energy (TNT) (approximate)
-1.5 1 gr break a little rock in a laboratory
1.0 6 oz little explosion
1.5 2 pounds
2.0 13 pounds
2.5 63 pounds
3.0 397 pounds
3.5 1,000 pounds Mine explosion
4.0 6 tons
4.5 32 tons
5.0 199 tons
5.5 500 tons Earthquake, ie: Little Skull Mtn., NV, 1992
6.0 1,270 tons Earthquake, ie: Double Spring Flat, NV, 1994
6.5 31,550 tons Earthquake, ie: Northridge, CA, 1994
7.0 199,000 tons Earthquake, ie: Hyogo-Ken Nanbu, Japon, 1995
7.5 1,000,000 tons Earthquake, ie: Landers, CA, 1992
8.0 6,270,000 tons Earthquake, ie: San Francisco, CA, 1906
8.5 31,550,000 tons Earthquake, ie: Anchorage, AK, 1964
9.0 199,999,000 tons Earthquake, ie: Chile, 1960
10.0 6.3 billion tons fault type like San-Andreas fault
12.0 1 trillion tons really really big!
maybe helps to understant how the scale of richter works
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