Jackie has a Tamagotchi on her backpack, Tamagotchi's weren't released in Japan until November of 1996 and in America until May of 1997, by then the girls were truly stranded.
Taissa tells Van that she knows her favorite Spice Girls member is Sporty. The first Spice Girls album came out in September of 1996 which would have been after the crash.
The overhead shots of the forest show that it's sub-alpine, but in the ground shots, it's coastal rainforest.