At the bottom of the Pacific Ocean, an explosion occurred, as a result the underwater vegetation started to grow rapidly in size and a part of the coast was flooded by a tsunami.
| Release Date | April 13, 1956 | |
|---|---|---|
| Status | Released | |
| Original Title | Тайна вечной ночи | |
| Runtime | 1h 16min | |
| Budget | — | |
| Revenue | — | |
| Language | Russian | |
| Original Language | Russian | |
| Production Countries | Soviet Union | |
| Production Companies | Mosfilm | |