Down for me too (us-west-1b).
AWS Status Update: 5:51 PM PDT We are investigating connectivity issues for EC2 instances and impaired EBS volumes in a single Availability Zone in the US-WEST-1 Region.
AWS Status Update: 5:51 PM PDT We are investigating connectivity issues for EC2 instances and impaired EBS volumes in a single Availability Zone in the US-WEST-1 Region.
EDIT: load balancers in us-west are affected now too: http://status.aws.amazon.com