Mysteries Department
Sign inRequest access
Place
Place

The seventh arc, southern Indian Ocean (searched stretch)

sea area

Sea area0

Note

A point on the searched stretch of the arc defined by the 00:19 UTC log-on request, west of Western Australia. The arc runs for thousands of kilometres; the 2014-2017 underwater search, Ocean Infinity's 2018 search and the 2025-2026 search covered different parts of it, which are not drawn here.

Places in it 1

Happened here 4

Cite it

Mysteries Department. (2026). The seventh arc, southern Indian Ocean (searched stretch) [Place PLC0CWY6Z466P6K]. https://mysteriesdept.com/r/PLC0CWY6Z466P6K
Private beta Downloads are for beta members

We're in a private beta while we get things right. Everything here is free to read; downloading datasets, sources and code is open to members for now.

It takes a couple of minutes. We'll reply by email.