# Grafana Cloud: Major incident: Degradation of Hosted Grafana in US Central Region

**Summary:** Hosted Grafana in GCP US Central experienced a major outage: some stacks were unavailable or failed to load because reduced compute capacity in a cloud provider availability zone prevented startup. Other regions were unaffected. The incident ran from 2026-09-04 17:03 UTC to 2026-09-04 20:42 UTC (3 h 39 min), when the region was fully operational. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-09-04 17:03 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/7n6x5qw9x9d5](https://stspg.io/7n6x5qw9x9d5)
- [Company: Grafana Cloud](https://rewindex.com/company/grafana-cloud.md)
- Versions: before (none: first archived) → after incident\_version:278/w1c8md3mnthx@0ff9450a16f1
- Change 1 of 1 for this incident

Incident page (full timeline): [Degradation of Hosted Grafana in US Central Region](https://rewindex.com/company/grafana-cloud/incidents/w1c8md3mnthx.md)
## What changed

**1. Added: Title**

```diff
+ Degradation of Hosted Grafana in US Central Region
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-09-04 17:03 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-09-04 20:42 UTC
```

**6. Added: Affected components**

```diff
+ GCP US Central - prod-us-central-0, GCP US Central - prod-us-central-3, GCP US Central - prod-us-central-4, Grafana - GCP US Central - prod-us-central-0, Grafana - GCP US Central - prod-us-central-3, Grafana - GCP US Central - prod-us-central-4
```

**7. Added: Update** (identified) · 2026-09-04 17:03 UTC

```diff
+ We are aware of an issue causing some Grafana Cloud stacks in the US region to be unavailable or fail to load. The cause is reduced compute capacity in one of our cloud provider's availability zones, which is preventing affected stacks from starting. Other regions are unaffected. We are working with our cloud provider to restore capacity.
```

**8. Added: Update** (monitoring) · 2026-09-04 18:24 UTC

```diff
+ We are currently observing minimal impact and continuing to monitor the situation.
```

**9. Added: Update** (resolved) · 2026-09-04 20:42 UTC

```diff
+ The US Central region is now fully operational and this incident is now resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-09-04 17:03 UTC | Major incident: Degradation of Hosted Grafana in US Central Region (this change) | outage |

All Grafana Cloud changes: [timeline](https://rewindex.com/company/grafana-cloud/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i07dc97661408b3 · Markdown: https://rewindex.com/change/i07dc97661408b3.md · JSON: https://rewindex.com/api/v1/changes/i07dc97661408b3 · Generated 2026-10-19T01:56:04.526Z