The relevant subjects are causes of subsidence by man or nature,subsidence by fluid withdrawal, subsidence by solid extraction,measurement and monitoring of subsidence,measuring techniques, theory and modeling of subsidence,social effects, environmental consequences and remediation measures. The relevant subjects are causes of subsidence by man or nature, subsidence by fluid withdrawal, subsidence by solid extraction, measurement and monitoring of subsidence, measuring techniques, theory and modeling of subsidence, social effects, environmental consequences and remediation measures