AWS us-east-1 zone down 28 hours after cooling failure
Rising temperatures cut power to hardware in use1-az4. It was the longest AWS outage on record and the third major us-east-1 failure since 2021.
- Service
- AWS us-east-1
- Date
- 7 May 2026
- Cause
- Power / cooling
- Duration
- 28 hours
- Status
- resolved
- Severity
- critical
- Region
- Global
- Source
- Shattered.io ↗
Cite this
Nuffield Consulting, “AWS us-east-1 zone down 28 hours after cooling failure”, The Daily Tech Wire outage & breach log, 7 May 2026. https://techwire.nuffieldconsulting.com/incidents/2026-05-07-aws-us-east-1-outage/ (retrieved 15 Nov 2026).
This entry summarises public reporting. Please also cite the original source: Shattered.io, https://shattered.io/aws-outage-28-hours-us-east-1-2026/.
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