Tomakomai, Japan

Tomakomai, Japan is a submarine cable landing point in Japan (coordinates 42.6361°, 141.6032°). It serves 1 submarine cable system, making it a single-cable landing in Japan's international connectivity infrastructure.

Tomakomai is a city and port in Iburi Subprefecture, Hokkaido, Japan. It is the largest city in the Iburi Subprefecture, and the fourth largest city in Hokkaido. As of 31 July 2023, it had an estimated population of 167,372, with 83,836 households, and a population density of 298 persons per km2. The total area is 561.57 km2 (216.82 sq mi). Wikipedia

Connected submarine cables

Connectivity profile

From Tomakomai, Japan, international traffic can reach 4 countries through 1 cable system. Destinations include Japan, South Korea, Taiwan, United States. This location depends on a single cable system — a characteristic that makes it strategically sensitive to physical disruptions.

Monitoring status

No monitoring incidents were recorded on cables serving Tomakomai, Japan in the past 90 days — all connected systems remained within normal latency thresholds. Our monitoring network continuously samples latency from external probes to targets reachable via these cables.

About the cables

• E2A (2029) — E2A is a cross-regional submarine cable connecting South Korea, Japan, United States, Taiwan. Its 6 landing points at Busan, Itoshima, Maruyama, Morro Bay, Tomakomai, and 1 more bridge the networks of East Asia, North America, providing an important path for international data traffic. Read more →

Submarine cable data from TeleGeography. Geographic context from Wikipedia. Monitoring metrics updated continuously by GeoCables.