Incident report · 2026042802
East-West Submarine Cable System: 16.85× baseline latency
Resolved · 12d 2h
What we measured
| Cable | East-West Submarine Cable System |
| Segment | Mersing, MY → Penarik, ID |
| Detected | 2026-04-28 15:00 UTC |
| Resolved | 2026-05-10 17:30 UTC |
| Duration | 12d 2h |
| Observed latency | 585.4 ms |
| Baseline | 34.7 ms · 16.85× |
| Increase | +100% |
| Severity | critical |
Path analysis
Traffic kept the same route. Latency rose without a visible path change, which points at congestion or a fault on the existing route rather than a reroute.
Cross-probe verdict. Only one probe saw it. We treat this as a probable false positive and label it as such.
Timeline
- Alert 2026042802: critical — ratio 13.12x
- Alert #97 improving: 1/3 consecutive OK
- Alert #97 improving: 1/3 consecutive OK
- Alert #97 improving: 1/3 consecutive OK
- Alert #97 improving: 1/3 consecutive OK
- Alert #97 improving: 1/3 consecutive OK
- Alert #97 improving: 1/3 consecutive OK
- Alert #97 improving: 1/3 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 2026042802: East-West Submarine Cable System. https://geocables.com/incident/2026042802
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