On Thursday the City of San Francisco released a list of more than 150 tallest buildings, including many that were constructed before modern codes. The inventory is the first step in assessing the city’s skyline with the purpose of fixing the towers that are vulnerable to collapse in an event of a major earthquake.

For more info, please read the original article by LA Times:
http://www.latimes.com/local/lanow/la-me-ln-san-francisco-tall-building-earthquake-20181004-story.html