Huge
on Oct 8, 2004
from USGS

Oct 8, Black Hills, South Dakota	Oct 8, Baijiatuan, Beijing, China
Oct 8, Lusaka, Zambia	Oct 8, Pohakaloa, Hawaii
Oct 8, Riachuelo, Brazil	Oct 8, Charters Towers, Australia

Note: Whiplash Sweeps bump first the Dark Twin toward Earth, then the Earth toward Planet X, and within a couple days Planet X hops over the Sweeping Arm thus pushing Earth again, and finally Earth collides again with her Dark Twin behind her.