Location Name Boundary Type (C=Convergent, D=Divergent, or T=Transform) Year Observed (5, 10, or 20 million years) Geologic Events Observed (earthquakes, faults, ocean formation, mountains, volcanoes, island chains, seafloor spreading) Location One Himalayas 5 Event 1- 20 Event 2- Location Two East Africa 5 Event 1- 10 Event 2- 20 Event 3- Location Three San Andreas fault zone 5 Event 1- 10 Event 2- 20 Event 3- Location Four Aleutian Islands 5 Event 1- 20 Event 2- Location Five Mid-Atlantic Ridge 5 Event 1- 10 Event 2- 20 Event 3- Location Six Alpine Fault 5 Event 1- 20 Event 2-