Neptune's Bellows, Deception Island

[ford prefect]

Please

I would like to know how wide is precisely the entrance channel,

- between the collapsed wall of the volcano and Ravn rock,

where is sufficient depth to navigate safely for a expedition vessel to entrance Port Foster.

Thank You Very Much Indeed for answer

[ford prefect]

I know that the gap seams to be around 230 meters more or less but I really do wonder why if there is so much room they go so much on port side in the way in and so much on starboard on the way out leaving so much room bough times to the opposite side.

also,

in late January 2007,
why/how did the MS Nordkapp with a beam of just 19.5 meters ran aground on Ravn Rock if the channel through Neptune's Bellows is around 230 meters wide.

in late November 2006,
did the M/V Lyubov Orlova ran aground in Whalers Bay, why/how



again, thank you very much indeed for input