"Seconds away from" is a common phrase used to describe a situation where something is about to happen or is on the brink of occurring. There are many synonyms that can be used in its place, such as "moments away from," "on the verge of," "about to," "nearing," "approaching," "almost there," "just on the cusp," "a hairsbreadth from," "nearly at," "within spitting distance of," and "teetering on the edge of." These phrases can help add variety and depth to your writing, conveying an urgency or anticipation that keeps readers engaged.