Colors
on time scale to the left match colors in crater table by geologic period.
To
jump directly to the crater list of a particular time period, click the
appropriate section of the geologic time scale on the left.
Stars
on the geologic time scale mark mass extinction events.
|
Name
|
Age (Ma)
|
|
12 Feb, 1947
|
|
|
<0.001
|
|
|
<0.001
|
|
|
>0.002
|
|
|
<0.004
|
|
|
0.004 ±.001
|
|
|
<0.005
|
|
|
0.006 ±.002
|
|
|
<0.007
|
|
|
0.01
|
|
|
0.027
|
|
|
.03+-.0005
|
|
|
0.049 ±.003
|
|
|
<0.05
|
|
|
0.052 ±.006
|
|
|
<0.1
|
|
|
<0.1
|
|
|
0.220 ±.052
|
|
|
<0.3
|
|
|
0.9 ± 0.1
|
|
|
<1
|
|
|
<1
|
|
|
1.03 ± .02
|
|
|
1.4 ± 0.1
|
|
|
>1.8
|
|
|
<1.8
|
|
|
<1.88
|
|
|
2.5 ± 0.5
|
|
|
<3
|
|
|
3.1 ± 0.3
|
|
|
3.5 ± 0.5
|
|
|
3.7 ± 0.3
|
|
|
<5
|
|
|
6 ± 3
|
|
|
<10
|
|
|
12 ± 5
|
|
|
15 ± 1
|
|
|
15 ± 1
|
|
|
23 ± 1
|
|
|
25 ± 20
|
|
|
35 ± 5
|
|
|
35.5 ± 0.6
|
|
|
37 ± 2
|
|
|
38 ± 4
|
|
|
~40
|
|
|
40 ± 5
|
|
|
46 ± 7
|
|
|
Gusev
|
49 ± 0.2
|
|
49 ± 0.2
|
|
|
<50
|
|
|
50.50 ±.76
|
|
|
55 ± 5
|
|
|
58 ± 2
|
|
|
<60
|
|
|
64.98 ±.05
|
|
|
<65
|
|
|
<65
|
|
|
<65
|
|
|
<70
|
|
|
<70
|
|
|
<70
|
|
|
<70
|
|
|
73 ± 3
|
|
|
73 ± 3
|
|
|
73.8 ± 0.3
|
|
|
<75
|
|
|
77.3 ± 0.4
|
|
|
88 ± 3
|
|
|
89.0 ± 2.7
|
|
|
>95
|
|
|
95 ± 7
|
|
|
<97
|
|
|
<100
|
|
|
100 ± 50
|
|
|
100 ± 50
|
|
|
<110
|
|
|
115 ± 10
|
|
|
115 ± 10
|
|
|
<120
|
|
|
<120
|
|
|
120 ± 20
|
|
|
121.0 ± 2.3
|
|
|
128+-5
|
|
|
>136
|
|
|
140 ± 20
|
|
|
142.5 +-.8
|
|
|
143 ± 20
|
|
|
145.0 ±.8
|
|
|
150+-70
|
|
|
>160 ± 30
|
|
|
175 ± 3
|
|
|
190 ± 20
|
|
|
<200
|
|
|
200 ± 25
|
|
|
200 ± 100
|
|
|
214 ± 8
|
|
|
214 ± 1
|
|
|
215 ± 25
|
|
|
220 ± 32
|
|
|
247.0 ±5.5
|
|
|
<250
|
|
|
250 ± 80
|
|
|
<280
|
|
|
290 ± 20
|
|
|
290 ± 20
|
|
|
<300
|
|
|
<300
|
|
|
<300
|
|
|
<300
|
|
|
300 ± 35
|
|
|
<320
|
|
|
320 ± 80
|
|
|
<345
|
|
|
<345
|
|
|
350
|
|
|
357 ± 15
|
|
|
<360
|
|
|
<360
|
|
|
360 ± 20
|
|
|
368+1.1
|
|
|
380 ± 10
|
|
|
395 ± 5
|
|
|
395 ± 25
|
|
|
<400
|
|
|
400 ± 50
|
|
|
<430
|
|
|
430 ± 25
|
|
|
445 ± 2
|
|
|
~450
|
|
|
>450
|
|
|
450 ± 30
|
|
|
450 ± 10
|
|
|
>455
|
|
|
>455
|
|
|
455
|
|
|
<470
|
|
|
470 ± 30
|
|
|
470
|
|
|
<500
|
|
|
<500
|
|
|
<500
|
|
|
500 ± 10
|
|
|
>515
|
|
|
~540
|
|
|
>550
|
|
|
550 ± 100
|
|
|
~560
|
|
|
>570
|
|
|
570 ± 50
|
|
|
~600
|
|
|
~600
|
|
|
698 ± 22
|
|
|
~1000
|
|
|
>1000
|
|
|
<1000
|
|
|
1630 +-5
|
|
|
1850 ± 3
|
|
|
2023 ± 4
|
|
|
2400
|