It seems that it's due to powerloss. [05:01 AM PST] We can confirm a loss of power within a single data center within a single Availability Zone (USE1-AZ4) in

It seems that it's due to powerloss. [05:01 AM PST] We can confirm a loss of power within a single data center within a single Availability Zone (USE1-AZ4) in the US-EAST-1 Region. This is affecting availability and connectivity to EC2 instances that are part of the affected data center within the affected Availability Zone. We are also experiencing elevated RunInstance API error rates for launches within the affected Availability Zone. Connectivity and power to other data centers within the affected Availability Zone, or other Availability Zones within the US-EAST-1 Region are not affected by this issue, but we would recommend failing away from the affected Availability Zone (USE1-AZ4) if you are able to do so. We continue to work to address the issue and restore power within the affected data center.