S3 is region based, not AZ based. So it should be able to tolerate an entire AZ (=DC) being lost.
They offer an amazing number of 9s for durability, it is very unlikely that a single fire will cause harm to your data.
They offer an amazing number of 9s for durability, it is very unlikely that a single fire will cause harm to your data.
In short: AWS will go down only when you won't care about it anyway
https://docs.aws.amazon.com/AmazonS3/latest/userguide/replic...
https://aws.amazon.com/blogs/aws/new-cross-region-replicatio...