Medium
on Sep 11, 2004
from USGS

Sep 11, Ulaanbaatar, Mongolia	Sep 11, Kilima Mbogo, Kenya
Sep 11, Disney Wilderness Preserve, Florida	Sep 11, Palmer Station, Antarctica
Sep 11, Charters Towers, Australia	Sep 11, Tornquist, Argentina

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.