Related Clues:

• Site of some seismic activity
• Tennis server's goof
• No-___ insurance
• Responsibility for a mistake
• Seismologist's discovery
• Uranium in flat rebuilt causes weakness
• Stepping on the baseline when serving in tennis, e.g
• Criticise bad service
• Defect; mistake
• Defect; culpability
• Earthquake-prone rift
• It's ground-breaking
• *San Andreas, for one
• Cry after a bad tennis serve
• 'It's not my ___!'