Electronic Supplement to
Superquakes and Supercycles

by C. Goldfinger, Y. Ikeda, and R. S. Yeats

Table S1. Paleoseismological sequence on the Haiyuan fault at Gaowanzi by 3D trenches

Events	Age/a BP	Horizontal Displacement /m	Dating method	Interval/yr
E7	1920AD Ms8.6	7±0.5	14C		3-segment rupture
E6	1005±465	2.0±1.0	14C	980±465
E5	2763±372	1.5±1.1	14C	1578±595
E4	4208±577	1.5±1.2	14C	1425±686
E3	6120±505	5.6±2.3	14C	1920±766
E2	6689±169		14C	561±532
E1	10004±3196		14C	3315±3200	3-segment rupture