M6.8 earthquake — 5 km E of Uto, Japan

Depth 10 km. 5 cable system(s) within 198 km; nearest Amakusa-Goshoura Submarine Cable at 46 km.

POST ON X

FIRST OBSERVED

2026-07-28 07:50 UTC

LAST OBSERVED

2026-07-29 06:04 UTC

PEAK SCORE

63 / 100

LOCATION

32.68, 130.72

INFRASTRUCTURE IN RANGE

Amakusa-Goshoura Submarine Cable · Cable system · 46 km

Japan Information Highway (JIH) · Cable system · 60 km

Shishijima Submarine Optical Cable (Nagashima Town) · Cable system · 75 km

C-J (China-Japan Fiber Optic Submarine Cable) · Cable system · 91 km

Great Northern East Asia Cables (Nagasaki-Shanghai / Nagasaki-Vladivostok) · Cable system · 99 km

Goshoura, Japan · Landing station · 46 km

Amakusa (Hondo), Japan · Landing station · 55 km

Nagashima (Shoura), Japan · Landing station · 75 km

Source: USGS

Scores are produced by an automated correlation engine; see the methodology for weights and known limits. Distances are corridor-level against schematic routes. This page is the permanent record of the alert and may describe a situation that has since resolved.
Live console: thecablereport.com · Risk history: /history