Interesting article. Of course we have known for a long time about these sea floor volcanic systems. It is not like it is new news.
The first of the three links at #20 is fascinating...but lengthy history....of the Naval programs .
And the observation ...not summarized that well by the Author...that the current theory...plate Tectonics... had some problems based on what he was seeing by observation....
Suggest you start with the 2nd and 3rd links.