Incident report · 2026041001
Fibralink: 2.31× baseline latency
Resolved · 4h 55m
What we measured
| Cable | Fibralink |
| Segment | Puerto Plata, DO → Montego Bay, JM |
| Detected | 2026-04-10 14:32 UTC |
| Resolved | 2026-04-10 19:27 UTC |
| Duration | 4h 55m |
| Observed latency | 49.6 ms |
| Baseline | 21.5 ms · 2.31× |
| Increase | +131% |
| Severity | warning |
Who is affected
Countries where Fibralink comes ashore, how much of their submarine diversity this cable represents, and what our measurements into them show.
| Country | Dependence on this cable | Other submarine cables | What the measurements show |
|---|---|---|---|
| Dominican Republic resilience index: 90 · resilient |
1 of 10 cables (10% of submarine diversity) | Alisios, America Movil Submarine Cable System-1 (AMX-1), Antillas 1 +6 more | average 141 ms over the last day vs 148 ms over 30 days - unchanged |
| Haiti resilience index: 43 · land links |
1 of 2 cables (50% of submarine diversity) | Bahamas Domestic Submarine Network (BDSNi) | average 44 ms over the last day vs 46 ms over 30 days - unchanged |
| Jamaica resilience index: 73 · moderate |
1 of 7 cables (14% of submarine diversity) | ALBA-1, Cayman-Jamaica Fiber System (CJFS), Colombia-Florida Express (CFX-1) +3 more | average 103 ms over the last day vs 83 ms over 30 days - slower |
Dependence is structural (share of the country's submarine cables), not a traffic share: real traffic distribution across cables is not public.
Path analysis
Not enough history on this endpoint to compare the path against a baseline.
Cross-probe verdict. Too few independent vantage points were watching this endpoint to reach a cross-probe verdict.
Timeline
- Alert 2026041001: warning - ratio 2.31x
- FALSE POSITIVE [T12]: target_ip switched from 196.1.64.1 (CWC Jamaica, verified, ~21.5ms) to 74.222.64.16 (Cayman Islands probe #1003574, approximate, ~47ms) during landing_point_targets populate on 2026-04-10 12:24. Baseline computed from pre-switch verified rows; current measured to physically different cross-border endpoint. Not a cable degradation. See SESSION_2026-04-10d_T12 brief.
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 2026041001: Fibralink. https://geocables.com/incident/2026041001
Embed this map
<iframe src="https://geocables.com/embed.php?type=map&id=fibralink" width="640" height="420" frameborder="0" loading="lazy" style="border:0;border-radius:10px"></iframe>