There was also the OVHcloud data centre fire in 2021, although it's debatable if it'd fall under the same "natural disaster" category.
https://www.datacenterdynamics.com/en/news/ovhcloud-ordered-...
https://www.datacenterdynamics.com/en/news/ovhcloud-ordered-...
But make sure you check where the other provider is hosted: I read it one user (individual, not a startup or other company) who had backups of stuff on a shared host with a second shared host. It turned out that they were both running on servers in that one OVH DC and they were cheap hosts with no better backup/dr plan themselves...