Southern California’s battered coastline has produced another alarming image: a deep fracture cutting through the bluff immediately below Pacific Coast Highway at El Morro, between Laguna Beach and Newport Beach. Aerial imagery shows the crack snaking from near the highway toward the cliff edge above the Pacific, where months of powerful surf have stripped away sand and hammered the base of the bluff. Laguna Beach local Blair Conklin documented the damage in a new video, highlighting just how vulnerable the road suddenly appears. Check out the footage below: The threat is no longer theoretical. “The cliff side right here this close to PCH is falling… that’s why all this water is so brown,” Conklin explained.…