Submarine Cable Insights
Data-driven analysis of global internet routing, submarine cable performance, and network anomalies - based on real measurements.
Forest Fire Near Athens Causes Latency Spikes on KAFOS and Kardesa Cables
A forest fire in Greece on August 17, 2026, led to delays on submarine cables KAFOS and Kardesa, key for internet communication in the region.
6.1 Earthquake Near Vanuatu: Tamtam and ICN1 Cables Fully Operational
Magnitude 6.1 earthquake near Port-Olry, Vanuatu. The Tamtam and ICN1 cables in the epicenter zone continue to operate stabilily.
Taiwan Earthquake Impacts APG and SJC2 Submarine Cables, RTT Deviations Confirmed
Earthquake of magnitude 4.9 off Taiwan caused anomalies on APG and SJC2 cables. Data analysis and potential risks.
Magnitude 6.9 Earthquake Near Pematangsiantar Causes RTT Anomalies on SJC2, APG Cables
Analysis of the impact of the M6.9 earthquake near Pematangsiantar on submarine cables SJC2 and APG. RTT anomalies and their consequences.
Earthquake Near Sarangani, Philippines Causes Anomalies on IGG Submarine Cable
Analysis of the impact of the 5.3 magnitude earthquake off Sarangani, Philippines, on submarine cables in the region, including IGG System and Apricot.
5.1 Earthquake South of Pagar Alam, Indonesia; B2JS Cable Shows Operational Anomalies
Earthquake of magnitude 5.1 off Pagat Alam, Indonesia, caused anomalies on cable B2JS. Analysis of data and possible risks for internet traffic.
Magnitude 7.4 Earthquake Near San José del Palmar, Colombia; SAC Cable Stable
A 7.4 magnitude earthquake struck near San José-del-Palmar, Colombia. The South American Crossing submarine cable withstood the shock.
Spain Forest Fire Triggers Submarine Cable Anomalies, GeoCables Monitors Network Resilience
The forest fire in Spain caused anomalies on the submarine cables ACE and Maroc Telecom West Africa. Analysis of data and possible risks.
Major Forest Fire in Greece Impacts Submarine Cable Infrastructure Near Athens
A forest fire in Greece caused anomalies on the submarine cables IEX, Italy-Albania and TAE. Analysis of data and possible consequences.
Italy Earthquake Near Torretta-Scalzapecora Causes RTT Anomalies on Key Submarine Cables
Analysis of the impact of the M4.5 earthquake in Italy on submarine cables, including Italy-Albania, Jonah, and others.
Magnitude 6 earthquake west of Sola, Vanuatu; submarine cables remain fully operational
A magnitude 6 earthquake struck off the coast of Vanuatu. The submarine cables Tamtam and ICN1 maintained functionality, ensuring stability in regional connectivity.
July 2026 Ionian Sea earthquake disrupts submarine cables near Santa Doménica, Italy
Earthquake magnitude 4.7 near Santa Doménica, Italy, caused anomalies on submarine cables MedNautilus, OTEGLOBE Kokkini-Bari, and Adria-1. Details and monitoring data.
Algeria Wildfire Near Submarine Cables: HANNIBAL System Shows RTT Disruption
The forest fire in Algeria causes anomalies on submarine cables, including the HANNIBAL System. Analysis of indicators and risks.
7.4 Magnitude Earthquake Strikes Off Mexico; GeoCables Confirms Network Stability
Magnitude 7.4 earthquake off Puerto Madero, Mexico. Submarine cables, including SPCS and AMX-1, withstood the shocks.
Magnitude 6.7 Earthquake in Loyalty Islands: Submarine Cables Stable and Fully Operational
Magnitude 6.7 earthquake off Loyalty Islands on July 13, 2026. How submarine cables Gondwana-2 and Tamtam held up during the event.
Earthquake M5.1 off Tamblak: Impact on Cables
Analysis of the consequences of the M5.1 earthquake near Tambolaka (Indonesia) for submarine cables, including the IGG System and others.
Magnitude 5.2 Earthquake Near Sarangani Impacts IGG Cable, Other Systems Stable
Analysis of the consequences of the M5.2 earthquake in the Philippines for submarine cables, including IGG System and Apricot.
Episode of Delay and Recovery on the Hawk Cable
Discover the July 2026 latency spike on the Hawk cable linking Marseille, Alexandria, and Cyprus, and how baseline metrics were restored swiftly.
Tannat Cable: 21 Days of Drift, Argentina to Brazil, 25ms to 506ms
From April 17 to May 7, 2026, our monitors watched Tannat's Argentina-to-Brazil latency drift from 25ms to 506ms - twenty times the physics floor. Twelve alerts, neighbouring cables clean. What an opaque submarine-cable rerouting looks like in three weeks of data.
When Typhoon Sinlaku Made a 200-km Cable Take a 12,000-km Detour: Anatomy of a BGP Reroute During a Cat-5 Storm
On April 14, 2026, RTT from Saipan to Guam spiked 13× as Cat-5 Sinlaku made landfall. The Mariana-Guam cable was fine - a local BGP peering fell, sending traffic on a 12,000-km detour via Los Angeles. Live anatomy with RIPE Atlas and BGP evidence.
Maroc Telecom's Private Cable: One Owner, Six Landings, and an 8,600 km Corporate Backbone
Maroc Telecom owns a 8,600 km submarine cable connecting Casablanca to four West African countries. Real RIPE Atlas trace: Casablanca to Libreville in 86 ms, 1.025x of physics floor.
Svalbard: How Norway Laid the World's Northernmost Cable Through Arctic Storms - And Why Someone Cut It
The Svalbard Undersea Cable System runs 1,375 km through the Greenland Sea at depths up to 2,700 meters. Laid in just 25 days during the only ice-free window, it was mysteriously severed in 2022. Now Norway is building its successor: the Arctic Way.
Baltic Sea Cable Sabotage 2024-2025: When Ships Became Weapons
How use ships to cut Baltic Sea submarine cables in 2024-2025? GeoCables analysis of the sabotage incidents, routing impact, and NATO's Baltic Sentry response.
Red Sea Cable Cuts 2024: How Houthi Attacks Rerouted the Internet
How did Houthi attacks on Red Sea shipping damage 4 submarine cables in 2024? GeoCables analysis of the routing impact, latency changes, and why the Red Sea cannot be avoided.
GlobeNet: The Transatlantic Cable Powering Latin America's Financial Networks
GlobeNet: the 23,500km submarine cable built for financial markets connecting Wall Street to São Paulo. How low-latency trading shaped cable route decisions between the US and Latin America.
Hawaiki Cable: New Zealand and Australia's Pacific Lifeline
Hawaiki cable: 15,000km transpacific link connecting New Zealand and Australia to the US West Coast. How the 2022 Tonga volcanic eruption tested Pacific cable resilience.
APCN-2: The Backbone of Intra-Asian Internet
APCN-2: the 19,000km ring cable connecting 8 Asian countries. GeoCables monitoring data, Taiwan earthquake vulnerability analysis, and why a 20-year-old cable still carries critical traffic.
SEA-ME-WE 5: The Internet Highway Between Asia and Europe
SEA-ME-WE 5: the 20,000km submarine cable connecting Singapore to France via the Middle East. GeoCables monitoring data, chokepoints analysis, and real RTT measurements.
2Africa: The World's Longest Submarine Cable at 45,000km
2Africa at 45,000km is the world's longest submarine cable, circumnavigating Africa and connecting 33 countries. GeoCables monitors 450 segments. Full profile with route, owners, and capacity data.