Era
1986-
12
Holocene
6
21st century
5
Quaternary
5
20th century
3
Paleozoic
3
Tertiary
3
1971-
2
19th century
2
Cenozoic
2
Cretaceous
2
Earthquake, 1987
2
Earthquake, 1989
2
1635-1703
1
1743-1803
1
17th century
1
1805-1885
1
1887-1956
1
1900-1985
1
1912-1999
1
1978
1
1990-
1
1991-
1
2010
1
Cambrian
1
Carboniferous
1
Earthquake, 1984
1
Mesozoic
1
Neogene
1
Revolution, 1791-1804
1