Continuous
on Sep 17-18, 2004
from USGS

Sep 18, Disney Wilderness Preserve, FloridaSep 17, Kongsberg, Norway
Sep 18, Albuquerque, New MexicoSep 17, Taipei, Taiwan
Sep 18, Corvallis, OregonSep 17, Ulaanbaatar, Mongolia

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.