All articles tagged with #undersea cables
Geomagnetic storms push currents through long metal conductors—power lines, pipelines, and submarine cables—potentially tripping transformers and collapsing grids for months, even though people indoors are largely unaffected; historical events like 1989 Quebec and 1859 Carrington show the risk, and modern warnings plus operational measures can mitigate damage, though a Carrington-scale storm remains a serious threat.
Geomagnetic storms induce voltages along the Earth’s longest conductors—power lines, pipelines, and undersea fiber cables—creating currents that can saturate transformers, cause outages, and disrupt global communications for weeks. The 1989 Hydro-Québec blackout is a key example, and a Carrington-class event could cripple continents if multiple transformers and shore-end equipment fail. Forewarning is limited (CME travel 1–3 days; ground-based signals give hours of lead time), while grid-hardening and monitoring efforts (including blocking certain DC paths and studying bedrock conductivity) are underway in places like New Zealand and Alaska to reduce risk. The Sun itself isn’t striking people; its magnetic field is coupling with long metal structures to carry the threat into modern life.
At a New Delhi meeting, Quad members announced infrastructure and connectivity initiatives—such as a Fiji port project, maritime surveillance, and critical mineral partnerships—while linking these efforts to India’s Great Nicobar development. The move signals a shift from pure deterrence to economic security and resilience of sea lanes, reflecting how infrastructure and digital connectivity are increasingly central to strategic competition in the Indo-Pacific.
Iran says it will charge license fees to Big Tech for using undersea cables that pass beneath the Strait of Hormuz, naming Meta, Google, Amazon and Microsoft; the move could push US firms to pursue overland fiber routes and Gulf-led projects as wartime disruptions and repair delays threaten the chokepoint.
Experts warn that coordinated attacks on undersea fiber-optic cables could trigger global economic chaos by disrupting the internet, banking, energy markets and military communications. Cables carry 99% of global internet traffic and support about $10 trillion in daily financial transactions, making this hybrid warfare a major vulnerability; lawmakers are moving to bolster subsea cable security amid U.S.-China tensions over Taiwan.
Britain said a Russian Akula-class submarine briefly approached UK waters as part of a broader GUGI seabed operation to locate and potentially sabotage critical undersea fibre cables; the Royal Navy and allied forces tracked both the submarine and a separate Russian group for weeks, publicly exposing the activity and forcing retreat, with about 500 British personnel involved and substantial RAF P-8 flight hours. The incident highlights the strategic vulnerability of undersea cables, which carry the majority of international data, and prompted increased seabed-defense investments and ongoing high readiness by UK forces.
Britain and Norway led a joint patrol to defend critical undersea cables in the North Atlantic, deterring Russian submarines after monitoring a Russian attack sub and two spy subs for over a month; a fleet of at least 13 warships, with planes and hundreds of personnel, tracked the activity before the vessels departed. The operation underscores Western efforts to safeguard infrastructure amid tensions over Ukraine and sanctions evasion, and Norway's defence tie with the UK is expanding, including the purchase of British-made frigates.
The first-ever transoceanic fiber-optic cable is being ripped from the ocean floor, signaling a major renewal of the global internet backbone and highlighting the vast network of subsea cables that carry most intercontinental traffic.
Baltic countries are on high alert after a series of suspicious undersea cable outages, with investigations into suspected sabotage by Russia amid heightened tensions following recent incidents and military responses, though some officials attribute the damage to poor seamanship and weather.
Finnish police detained the vessel Fitburg and its crew suspected of damaging an undersea telecoms cable between Helsinki and Estonia, amid rising concerns over sabotage and hybrid warfare in the Baltic Sea region, with multiple incidents raising alarms about critical infrastructure security.
China has accused two Taiwanese men of leading a smuggling operation involving a vessel that damaged undersea cables in February, amid ongoing tensions and accusations of hybrid warfare between China and Taiwan. Taiwan denies Chinese involvement, calling the incident a maritime accident, and criticizes China's public accusations and reward offers for information. The incident highlights the vulnerability of undersea cables, crucial for global communications, to sabotage and accidental damage.
Amid rising tensions with Russia, a series of undersea cable cuts in the Baltic Sea, linked to a Russian shadow fleet and suspected sabotage, have raised security concerns for Finland and NATO, prompting military responses and investigations into the mysterious incidents.
Undersea cable cuts in the Red Sea have caused internet disruptions in parts of Asia and the Middle East, with possible causes including accidental human activities or targeted attacks, though the exact reason remains unclear. Key cables affected include the SMW4 and IMEWE systems, which connect Europe, the Middle East, and Asia, and disruptions have impacted countries like India, Pakistan, Kuwait, and the UAE.
Microsoft reported that multiple undersea cables cut in the Red Sea caused increased latency and connectivity issues for Azure cloud clients, affecting traffic in the Middle East, Asia, and Europe. The company is monitoring and optimizing routing while repairs are underway, and other regions like India and Pakistan also experienced degraded internet connectivity due to the outages.
Microsoft Azure's cloud services experienced delays due to undersea cable cuts in the Red Sea, affecting internet traffic in the Middle East and parts of Asia, with rerouted traffic mitigating some impacts. The cause of the damage remains unclear, but such incidents highlight vulnerabilities in undersea infrastructure, which have been targeted or damaged in various regions amid geopolitical tensions.