Aftershock (Silverwood Theme Park)

Roller coaster in the United States
Watch the on-ride POV
Déjà Vu in 2003.
Silverwood Theme Park
Location Athol, Idaho, USA
Status Operating since July 21, 2008
Rider height
  • Minimum: 54 inch
  • Maximum: 80 inch
Six Flags Great America
Name Déjà Vu
Location Gurnee, Illinois, USA
Operated October 6, 2001 to October 28, 2007
Replaced Sky Whirl
Replaced by Buccaneer Battle
Manufacturer Vekoma
Product Giant Inverted Boomerang
Type Steel - Inverted - Shuttle
Riders per train 32
Hourly capacity 870
Propulsion Catch Car Vertical Lift
Height 191.6 feet
Drop 177 feet
Top speed 65.6 mph
Length 1204 feet
Track inversions 3
Rider inversions 6
Drop angle 90°
Duration 1:32
G-Force 4.5

Aftershock is a steel inverted shuttle roller coaster built by Vekoma. It is located at Silverwood Theme Park in Athol, Idaho, USA. The ride formerly operated at Six Flags Great America in Gurnee, Illinois, USA, under the name Déjà Vu from 2001 to 2007. This is the only Vekoma giant inverted boomerang model currently operating in the U.S.


Déjà Vu opened on October 6, 2001 at Six Flags Great America.[1] It was removed during the 2007-2008 off-season and was sent to Silverwood Theme Park.

In March 2008, the name of the ride was revealed as Aftershock, following a competition to name the coaster.[2] It opened on July 21, 2008.[3]



Color scheme

Light green track and blue supports.


Single train with 8 cars. In each car, riders are arranged 4 across in a single row, for a total of 32 riders per train.

Déjà Vu at Six Flags Great America



External links

Articles on Silverwood Theme Park
Articles on Six Flags Great America