A building hasn't reached its full strength potential until the main part of the construction process is completed.
A building collapse during the construction process can be more dangerous, because of all the extra construction vehicles, machinery, materials and equipment.
https://www.bangkokpost.com/thailand/general/2989931/quake-hit-bangkok-declared-disaster-area
Of course no building is indestructible from an earthquake, or other things.
https://en.wikipedia.org/wiki/List_of_tallest_structures_in_Thailand#Tallest_completed_buildings
https://uk.news.yahoo.com/terror-commuters-bangkok-skytrain-shakes-135746637.html
https://en.wikipedia.org/wiki/List_of_tallest_structures_in_Thailand#Under_construction
Bangkok is a tall building city like, Tokyo, Shanghai, HK, Seoul, Singapore, Kuala_Lumpur, Jakarta, Mumbai, Melbourne, Sydney, Ackland, LA, SF and Seattle.
https://en.wikipedia.org/wiki/List_of_tallest_structures_in_Thailand#Approved_and_proposed
https://thedigitallabyrinth.blogspot.com/search?q=Earthquake+in+Myanmar
https://thedigitallabyrinth.blogspot.com/search?q=earthquakes