leaving a vacuum where the wind refused to blow, and weathered souls with shifting eyes stared one another down across the eye of the storm, a white and sky-blue map, tied with latitudes and longitudes, cradled between olive branches.
What idea are you exactly trying to convey here? Now for you first paragraph, I found that it was alright. I get that you were trying to be figurative, but your ideas need to be conveyed effectively. Sometimes I often make the same mistake, making readers guess what I mean. In some cases this works. In your case it did not.
“You all know why we are gathered here today,” a woman said. “Your instruments must have picked them up.” No members moved except those of the Chinese delegation, who shifted uncomfortably in their seats.
I feel that the transition here from narrative to dialogue is satisfying.
“You’ve all witnessed the panic surging through the supernet, reports and descriptions detailing the devastation, the ruins left where there once stood metropolises.”
Sorry, I had to point out that comma splice.
with his subtle oriental accent.
Fine with me.
His voice startled the room enough for it to forget his speaking out of turn.
Perhaps you mean his question startled the room.
“Do you, personally, have any physical confirmation of such detonations?”
Why would she personally have physical confirmation? It's her job, she wouldn't have such information because she is interested, but because it's her job. So the word "personally" is unnecessary.
And the vacuum collapsed.
What are you refering to?
A hush fell upon the crowd; the only sounds were the creaking of chairs as delegates returned to their seats. The storm seemed to have passed, but a whisper on the fading wind overwhelmed the room. “What’s happening?” And as I recall, no one could answer.
Excellent end.
Overall, an absolutely intriguing story.