LONDON — Icelandic police on Monday called off the search for anyone trapped in the previous day’s collapse of an ice cave that killed one person and injured another, saying that all members of the tourist expedition had been accounted for.

Authorities had initially mounted a large-scale rescue operation, with as many as 200 rescuers sifting through the icy rubble by hand to find two people believed to have been missing.

But police eventually determined that no one was unaccounted for…