Big
on Nov 11, 2004
from USGS

Nov 11, Guam, Marianas Islands	Nov 11, 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.