Possible Clues:

• Earth movement
• Small earthquake setting European city right back
• Rapid movement inside hill, a result of fracking?
• Shock in city rising after treasurer cleared out
• Shelf rattler
• Revolting retweet about more rubbish comes as a shock
• Bit of quaking
• Post-quake shake
• Small earthquake damaged Metro railway primarily
• More ruined in centre of Montreal quake