Tonga Cable: 0.73× baseline latency

What we measured

Path analysis

Traffic changed route and the original path stopped responding. This is the pattern a real cable break produces.

Cross-probe verdict. Our own cross-check concluded this was an operator reroute, not a cable fault. We publish it anyway, labelled as such.

Timeline

• 2026-05-13 17:01 UTC Alert 2026051302: critical — ratio 6.64x
• 2026-05-14 08:31 UTC Alert #118 improving: 1/3 consecutive OK
• 2026-05-14 09:01 UTC Alert #118 improving: 2/3 consecutive OK
• 2026-05-14 09:30 UTC Alert #118 resolved: RTT 11.18ms (baseline 15.32ms), 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.

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