🔌 How engineers will repair the undersea communications cable severed by the massive eruption of the Hunga Tonga-Hunga Ha'apai volcano via SimonScarr WenFoo_Reuters vijdankawoosa anandkatakam AditiHBhandari
The South Pacific nation of Tonga was all but cut off from the world after an undersea communications cable was severed following the massive eruption of the Hunga Tonga-Hunga Ha'apai volcano on January 15. The blackout caused major disruption to aid efforts following the disaster.
However, the capacity of satellite-based internet is greatly constrained, Doug Madory, a network analyst at Kentik, said. “Satellite service in the Pacific is expensive because of the vast coverage area and relatively small population,” he added. According to Jonathan Brewer, a telecommunications engineer at Telco2 limited, it's better to have multiple cables or multiple cable landing stations to manage the risk of disruption. However, this can be expensive. Pacific islands like Guam and French Polynesia have significant support from the U.S. and French governments enabling them to have such extensive infrastructure.
“Locating the cable can be a challenge if it's buried or if it's moved far from its original route. If the volcano blast or tsunami shifted or collapsed a seamount on top of the cable, it could be very difficult to locate or retrieve,” said Brewer.
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