Possible Clues:

• A little agitation as Republican code of honour almost rejected
• Seismic disturbance
• Shock as river fills crumbling Metro
• It shakes things up
• Seismic activity in epicentre more evident
• Quake in Turkey — capital taken aback
• Small shock
• Romeo in Metro chaos is shaking
• Shocking type of brief sample upsets European capital
• Seismological detection