Incident report · 2026040101
Atlantic Crossing-1 (AC-1): 0.24× baseline latency
Resolved · 4h 58m
What we measured
| Cable | Atlantic Crossing-1 (AC-1) |
| Segment | Sylt, DE → Brookhaven, US |
| Detected | 2026-04-01 14:34 UTC |
| Resolved | 2026-04-01 19:33 UTC |
| Duration | 4h 58m |
| Observed latency | 13.7 ms |
| Baseline | 57.4 ms · 0.24× |
| Increase | +304% |
| Severity | warning |
Path analysis
No usable traceroute data for this window.
Cross-probe verdict. The effect was confined to a narrow set of paths, so a cable-wide fault is unlikely.
Timeline
- Alert #33: warning — Brookhaven
- Alert #33 resolved: Brookhaven
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 2026040101: Atlantic Crossing-1 (AC-1). https://geocables.com/incident/2026040101
Embed this map
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