“Building owners should be especially concerned about brick chimneys…Inspect the chimneys for loose bricks. If the chimney provides ventilation for a fireplace or appliances such as furnaces or water heaters, make sure it still vents…also encourage building owners to ensure they have a working carbon monoxide detector.”

https://www.sltrib.com/news/politics/2020/03/23/aftershocks-spur-plea/?fbclid=IwAR0LVhV-QNCjivg7sJFMFvDhE-2HdF5gZYvWHquVcHkZk6syD5IJINxRXG4