Please note that this is the Narutopedia's article on the ninjutsu used by Raiga Kurosuki. If you are looking for the article on the taijutsu used by Iwagakure-nin then you should head to Rock Avalanche Formation.
Ninja Art: Boulder Avalanche
Naruto Episode #154
Mid to Long range
Snake → Upside down Tiger → Hands clapped together
The user causes a rockslide by sending a wave of electric energy into a cliff. However, this technique is extremely location-based and needs to be done uphill of a mountain for it to be effective.
This technique is the only lightning-based technique Raiga has displayed, that did not involve the use of his swords.