Crossword Genius

Urgent, Admiral, be prepared for a maybe dangerous place in the ocean (7,8)

Ross

I believe the answer is:

bermuda triangle

I'm a little stuck... Click here to teach me more about this clue!

'a maybe dangerous place in the ocean' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'urgent admiral be prepared' is the wordplay.
'prepared' is an anagram indicator.
'urgent'+'admiral'+'be'='urgentadmiralbe'
'urgentadmiralbe' anagrammed gives 'BERMUDA TRIANGLE'.

'for' acts as a link.

Can you help me to learn more?

(Other definitions for bermuda triangle that I've seen before include "notorious danger area?" , "Area of mystery" , "mysterious place" , "Place where ships have been mysteriously lost" , "associated with disappearing craft?" .)

I've seen this clue in the Sydney Morning Herald.
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