The document describes the Modified Mercalli Intensity scale which is used to measure earthquake intensity and damage. It lists 12 intensity levels from I to XII with descriptions of how earthquakes in each level are felt by humans and the typical damage observed. The lower levels are not felt or cause minimal damage while the higher levels can destroy structures and change the ground surface. The scale is useful for determining the impact of an earthquake in a given location.

3. focus
"
epicenter

4. -
-
-

7. 1.9 Micro) 8,000
2.0-2.9 Minor) 1,000
3.0-3.9 Minor) 49,000
4.0-4.9 Light) 6,200
5.0-5.9 800
Moderate)
6.0-6.9 Strong) 120
80
7.0-7.9 Major) 18
8.0-8.9 1

8. Intensity)
12
I
II
III
IV
V
VI
VII
VIII
IX

9. 1.
2.
3.
4.
5.
6.
7.
8.

10. 1.
2.
3.

11. 1.
2.
3.
4.
5.
6.
7.

14. 1.
2.
3.
4.
5.
6.
7.

15. 1.
2. 1
1000
3.
4.
5.
6.
7.
8. 10.0
9.
10. -
-

17. 13
23
29
40
51