2 years ago they upped the chance of the mega quake from 14%-17% in 50 years to 20%. Late last year, after a series of quakes, they upped it to the 50% in the next 50 years. That is significant.
Unfixed or not replaced, the Quake will condemn these buildings and anybody inside.
As a side note, chances of the quake hitting during a slow slip event are increased. A slow slip started may 8th 2018 and runs 14 months.
Many scientists seem convinced that Mount Tabor, a volcano right in the middle of the city and whose lava flows the city is built on, is extinct. Others say it’s merely dormant. If it erupts again, they won’t be worried about earthquakes too much, although those would precede an eruption.