| Roller Coaster: | Aftershock |
| Amusement Park: | Silverwood Theme Park (Athol, Idaho 83801 USA) |
| Classification: | Roller Coaster |
| Type: | Steel - Inverted |
| Status: | Operating since 7/21/2008 |
| Relocated from: | Six Flags Great America as Déjà Vu |
| Make / Model: | Vekoma / Giant Inverted Boomerang |
| Categories: | Shuttle |
| Capacity: | 870 riders per hour |
| |
| Length: | 1204' | |
| Height: | 191' 7" | |
| Drop: | 177' | |
| Inversions: | 3 | |
| Speed: | 65.6 mph | |
| Duration: | 1:32 | |
| Max Vertical Angle: | 90 Degrees | |
| G-Force: | 4.5 | |
| Elements: | 110' tall Cobra Roll (Boomerang)
102' tall Loop
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| Trains: | Single train with 8 cars. Riders are arranged 4 across in a single row for a total of 32 riders. |
| | Riders must be between 48" and 80" to ride. |
| | Built by Vekoma |
| | The outside seats of each row are offset a little to the rear, making each row a small v-shape.
When at Six Flags Great America, the ride restrictions were 54" to 76". |
