Double
on Sep 10, 2004
from USGS

Sep 10, Matsushiro, Japan	Sep 10, Ny-Alesund, Spitzbergen, Norway
Sep 10, Baijiatuan, Beijing, China	Sep 10, Tepich, Yucatan, Mexico
Sep 10, College Outpost, Alaska	Sep 10, Santo Domingo, Venezuela

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.