A still—Volcano—Life—
That flickered in the night—
When it was dark enough to do
Without erasing sight—
A quiet—Earthquake Style—
Too subtle to suspect
By natures this side Naples—
The North cannot detect
The Solemn—Torrid—Symbol—
The lips that never lie—
Whose hissing Corals part—and shut—
This is obscure, but it could be attributing characteristics of the “North” that are opposite to the explosive nature of the speaker — cool and unemotional.  The “North” is the outside, conventional world.
A still—Volcano—Life 601