Datacenter region
AWS US West (N. California)
us-west-1 · 37.34, -121.89
No open incident names AWS us-west-1 as affected in official updates.
This page covers incidents whose official updates name this region as affected. It is not a citywide status report, and the overall AWS status does not tell whether this region works normally.
No stored incident names AWS us-west-1 as affected. Incidents without a region in their official updates and incidents at other providers are not included here.
About this region
us-west-1 is AWS's code for US West (N. California). Other providers may operate in the same area under different region codes. Problems with shared cloud infrastructure can affect apps hosted there, but a report about one provider does not establish a problem at another.
Physically located in United States of America. See all outages in United States of America for the full country view.
FAQ - AWS us-west-1
What is the us-west-1 region?
us-west-1 is AWS's code for US West (N. California), a cloud datacenter region in United States of America. Other cloud providers use different region codes, even in the same city.
Is AWS us-west-1 having problems right now?
No open incident names AWS us-west-1 as affected in official updates. This does not confirm normal operation, and does not describe other providers in the same city.
Why do unrelated apps fail when one region goes down?
Many SaaS products host their backend infrastructure in shared cloud regions. A single region outage can cascade across hundreds of apps that look unrelated to end users.
Where can I find the official AWS status page?
Check AWS Health Dashboard for official region updates. GlobalOutageMap is an independent signal aggregator, not the provider's status authority.