Incident report · 2026080601
High-capacity Undersea Guernsey Optical-fibre (HUGO): 0.59× baseline latency
Resolved · 2h 59m
What we measured
| Cable | High-capacity Undersea Guernsey Optical-fibre (HUGO) |
| Segment | Porthcurno, GB → Saints Bay, GG |
| Detected | 2026-08-06 21:02 UTC |
| Resolved | 2026-08-07 00:01 UTC |
| Duration | 2h 59m |
| Observed latency | 28.2 ms |
| Baseline | 47.6 ms · 0.59× |
| Increase | +152% |
| Severity | warning |
Timeline
- Alert 2026080601: warning — ratio 2.52x
- Alert #167 improving: 1/3 consecutive OK
- Alert #167 improving: 2/3 consecutive OK
- Alert #167 resolved: RTT 28.2ms (baseline 47.56ms), 3 consecutive OK
Detection method
Latency is sampled continuously from our probe network. An alert opens when round-trip time to a monitored endpoint holds above its rolling baseline, and closes automatically once it returns. Full method is described on the methodology page.
How to cite
GeoCables (2026). Incident 2026080601: High-capacity Undersea Guernsey Optical-fibre (HUGO). https://geocables.com/incident/2026080601
Embed this map
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