Earthquake is related to Shock. Shock is related to Hazard. Hazard is related to Warning. 
Proceed is a type of Happen. Effect can cause/lead to Happen. Effect is related to Phenomenon. 
Earthquake <--RelatedTo--> Shock <--RelatedTo--> Hazard <--RelatedTo--> Warning 
Proceed --IsA--> Happen <--Causes-- Effect <--RelatedTo--> Phenomenon 