Google Cloud outage, 20 August 2026
The Google Cloud outage of 20 August 2026: cause, impact and fixes, from Google’s own incident report.
- Provider
- Google Cloud
- Date
- Duration, hours
- 2.4
- Cause
- Network/BGP
- Regions
- us-west1 (Oregon)
Google Cloud us-west1 fiber maintenance congestion (20 August 2026). The disruption lasted about 2 hours 22 minutes, according to Google Cloud’s own incident report. It began at 15:00 UTC and was resolved at 17:22 UTC; some services took additional time to fully recover. Scheduled fiber-optic maintenance unexpectedly cut network capacity between data centers in us-west1.
What happened next. The resulting congestion caused timeouts, errors and elevated latency across many products until capacity was restored.
What changes. Google will reform scheduled maintenance protocols, add stricter safety checks and circuit redundancy requirements before maintenance, and refine automated regional traffic failover.
Questions
What caused the Google Cloud outage in August 2026?
Scheduled fiber-optic maintenance unexpectedly cut network capacity between data centers in us-west1.
Which services were affected?
Multiple Google Cloud products in us-west1 (e.g., Compute Engine, GKE, BigQuery, Cloud Storage, App Engine).
Read how shared dependencies spread a failure in why one cloud outage can break unrelated apps, or browse the outage archive.
- Started (UTC)
- 2026-08-20 15:00 UTC
- Resolved (UTC)
- 2026-08-20 17:22 UTC
- Services affected
- Multiple Google Cloud products in us-west1 (e.g., Compute Engine, GKE, BigQuery, Cloud Storage, App Engine)
- Incident report
- status.cloud.google.com
- Sources
Source Link Google Cloud incident report https://status.cloud.google.com/incidents/utF3FMFdQfwBzJcGG6vf
Source: every outage is taken from the provider’s own post-incident report, linked under Sources on its page. Times and durations are as the provider states them.