Numb3rs Fanfic Finders

I am looking for a fic where Don is visiting Charlie...I think at Charlie's CalSci office...and they are trapped by either an explosion or an earthquake.

Don has a head injury and Charlie works on getting them out while trying to keep Don awake.

Thanks in advance.

FOUND: Aftershocks by N'kala : www.fanfiction.net/s/2346494/1/