Era
Cretaceous
240
Quaternary
137
Tertiary
110
Paleozoic
91
Cenozoic
80
Precambrian
72
Jurassic
64
Permian
59
Eocene
58
Miocene
56
Mesozoic
48
Proterozoic
45
Pliocene
42
Ordovician
39
Pennsylvanian
38
Pleistocene
37
Mississippian
35
Holocene
33
Triassic
30
Oligocene
27
Devonian
26
Paleocene
26
Cambrian
23
Silurian
16
Neogene
14
Archaean
12
Carboniferous
10
Paleogene
10
Pre-Quaternary
10
20th century
5
1770-1838
2
1774-1809
2
1834-1902
2
Earthquake, 1989
2
1743-1826
1
1805-1885
1
1809-1865
1
1878-1974
1
1881-1971
1
1882-1966
1
1913-1972
1
1938-
1
1963
1
1964
1
1970
1
1979
1
1993-
1
19th century
1
21st century
1
Earthquake, 1984
1
more ...