Geography Reference
In-Depth Information
b.
Figure 23. Website views of ICM&MG site ―The Complete Catalog of the Earth's
Impact Structures‖ in the table and map forms: a) catalog format of impact events;
b) an EISC GIS-system interactive map of catalogued events
(http://labmpg.sscc.ru/impact/karta1.html)
according to their sizes (crater diameter
D
)
and validity (
Val
). The bottom panel is a map fragment with giant impact craters
(
D
>1000 km) from [59].
Figure 24. Recurrence of historic impact events, which left craters of different
diameters: D ≥ 1km (a); D ≥ 5km (b); 1km ≤ D ≤ 5km (c) and D ≤ 1km. Only 873
events with D ≥ 5km (b) show regular patterns.
