She's asleep when the quake hits. But not for very long.
"Then I will not have to ask you to make the arrangements for me!" And off she pops to let the kitchen staff know that she is not dead and would like to feast about that.
"There is often singing, although more often 'drunken ballad' than 'ethereal chorus'; your sort would be an interesting change of pace, I think, and a nice taste of where the heck I've been since I wasn't dead."
This feast is not as well-customized to Loki's tastes as the party Maitimo threw for her years back, but it's very homey. There are roasted meats and people asking her questions about her adventures and wanting to be introduced to her friends. There are, indeed, broken dishes hither and yon. Loki wants everybody to meet Sigyn, where's Sigyn, there he is. "Sigyn! Come meet everybody, do you remember all their names from my story?"
"I do! Pleased to meet you all," he says. "I am Sigyn. And you are Tyelcormo and Huan and Lúthien and Irissë and Maitimo and Findekáno. I have heard such fascinating things about all of you."
"She called a feast and showed up to it carrying the Tesseract on a stick. Do not fear for a moment that anyone will fail to notice the Godslayer's accomplishments."