A crack between two big pieces of rock is made up of different pieces. This controlled how much the rocks slipped last year.

Judith Hubbard1, Rafael V Almeida2, Anna E Foster3, Soma Nath Sapkota4, Paula Burgi3 and Paul Tapponnier1, (1)Nanyang Technological University, Singapore, Singapore, (2)Earth Observatory of Singapore, Nanyang Technological University, Singapore, Singapore, (3)Earth Observatory of Singapore, Singapore, Singapore, (4)Department of Mines and Geology, Kathmandu, Nepal