COLUMNA 21. Intensity 1 22. Intensity 4 23. Intensity 10 24. Intensity 6 25. Intensity 3 COLUMNB A Weak B. Extreme C. Light D. Strong E. Not Felt 26. Moderate 27. Slight 28. Intrumental 29. Catastrophe 30. Strong A Magnitude I B. Magnitude IV C. Magnitude X D. Magnitude VI E. Magnitude III​