Landing Point · US United States
| Cable | Status |
|---|---|
| TERRA SW | Active |
RTT measurements to this landing point from 2026-04-26 through 2026-06-30 - live ICMP round-trip time via our monitoring probes. Recomputed daily. ✓ No anomalies detected in the monitored period.
| Probe | Location | Samples | Avg |
|---|---|---|---|
| #1014473 own probe | Minsk BY | 3 | 176.3 ms |
| #1015523 own probe | Moscow RU | 3 | 132.7 ms |
| #6410 own probe | Sao Paulo BR | 2 | 146.7 ms |
| #7062 own probe | Cape Town ZA | 2 | 258.0 ms |
| #1014589 own probe | Almaty KZ | 2 | 210.1 ms |
| #1014597 own probe | Tbilisi GE | 1 | 161.1 ms |
| #1014969 own probe | Jerusalem IL | 1 | 157.1 ms |
| #1015313 own probe | Sevastopol UA | 1 | 168.9 ms |
| #1015563 own probe | Saint Petersburg RU | 1 | 144.7 ms |

Nondalton is a small town situated on the west shore of Six Mile Lake in the Lake and Peninsula Borough of Alaska, United States. Despite its remote inland setting in southwest Alaska, Nondalton is recognised as a submarine cable landing point, connected to the broader United States submarine cable network. One submarine cable lands here, serving the community and linking it to other points within the United States.
The single cable serving Nondalton, TERRA SW, operates entirely within the United States, making this a domestic intra-country connection rather than an intercontinental or transoceanic route. This configuration reflects the particular infrastructure needs of remote Alaskan communities, where submarine or lake-bed cable systems provide connectivity across waterways that are otherwise difficult to bridge with conventional terrestrial infrastructure.
TERRA SW reached ready-for-service status in 2012 and is currently designated as a draft-status cable system. All other endpoints on TERRA SW are also located within the United States, establishing this as a purely domestic cable route. The cable provides Nondalton with a submarine link connecting it to other U.S. landing points on the same system, supporting local connectivity in a region where overland infrastructure is limited.
Within the United States, submarine cable infrastructure is heavily concentrated at a relatively small number of high-density landing points. Locations such as Boca Raton, FL, San Juan, PR, Hermosa Beach, CA, Kapolei, HI, Myrtle Beach, SC, and Grover Beach, CA each host between four and eight cables, reflecting their roles as major international or transoceanic gateways. Nondalton, with its single domestic cable, occupies a different tier, serving a highly localised connectivity function rather than acting as a gateway for international traffic. It nonetheless ranks within the top 69 percent of the 160 submarine cable landing points across the United States by cable count.
Nondalton functions as a single-cable terminus on the TERRA SW system, enabling domestic submarine connectivity for a remote Alaskan community. Its role is distinct from the large multi-cable hubs that anchor international capacity along the U.S. Pacific, Atlantic, and Gulf coasts. Rather than serving as a transit node for intercontinental data flows, Nondalton's landing point addresses the specific challenge of delivering reliable connectivity to a small, geographically isolated population in interior southwest Alaska.
In the broader United States submarine cable graph, Nondalton represents the reach of submarine cable technology into communities far removed from the major coastal corridors, demonstrating that the network extends well beyond international gateways to serve domestic connectivity requirements in challenging terrain.
View actual submarine cable routing from Nondalton, AK, United States - with backbone nodes, distance calculations, and latency estimates
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