Most developed countries have strict building codes for earthquake-prone areas.
While these are not always strong enough to safeguard against heavy damage to a building, they are designed to protect life. This is not usually the case in underdeveloped countries. Both were about magnitude 7, but the Loma Prieta earthquake cost less than 150 lives, against an estimated 25,000 dead in Armenia. Our schools use IBM PC compatible computers. Most of what I have seen in the course and theory may define the fundamentals, but will not probably describe the subtle logic of the fine points, which we will have to discover for ourselves with your examples.