Network Pulse

On September 24, 2026, an M4.5 earthquake struck approximately 31 km NNW of Komodo, Indonesia, affecting the region within a radius of about 350km from our monitored submarine cable systems. While this event impacted a significant area and potentially affected local populations, our infrastructure demonstrated resilience. The Indonesia Tengah Cable Systems, which lands at Labuhan Bajo, Indonesia (59km from the epicenter), maintained its usual round-trip time of ~340ms despite the seismic activity. Similarly, the Palapa Ring East cable system, landing at Waingapu, Indonesia (176km from the event), and Barat Timur Indonesia-2 (BTI-2) cable system, which lands at Jeneponto, Indonesia (297km from the event), both held their average round-trip times of ~347ms and ~325ms respectively. Over the past 24 hours, we conducted 1875 latency checks across 713 submarine cable systems, actively monitoring these critical corridors to ensure continued stability. Our real-time watch continues, ensuring that any potential disruptions are promptly addressed.

On September 23, 2026, a magnitude 5.0 earthquake occurred 140 km north-northeast of Ba, Fiji. The event affected the surrounding region, but no significant disruptions to infrastructure or population centers were reported. Local authorities responded promptly and continued to monitor the situation. The earthquake was relatively moderate in scale and duration, with its impact concentrated in the vicinity of the epicenter.

The submarine cable systems in the region demonstrated robust resilience during the event. Key systems such as the Southern Cross Cable Network (SCCN) and Southern Cross NEXT, which land at Savusavu, Fiji (152 km from the earthquake), maintained stable latency measurements of approximately 171 ms and 163 ms respectively. Similarly, the Gondwana-2/Picot-2 cable system, landing at Suva, Fiji (207 km from the epicenter), held steady at an average of 65 ms. These systems, which connect Fiji to neighboring countries and international destinations, continued to carry traffic seamlessly, underscoring the reliability of the infrastructure even during seismic activity.

Monitoring of these critical submarine cable corridors remains active in real time, ensuring continued stability and performance. The network's ability to withstand natural events like this highlights its robust design and operational integrity.

On September 23, 2026, a magnitude 4.6 earthquake occurred 106 kilometers west-northwest of Ternate, Indonesia. The event was centered offshore and affected the surrounding region, including areas within a 350-kilometer radius. Local authorities and monitoring agencies responded promptly to assess any potential impacts. While the earthquake was moderate in scale, its effects on infrastructure and population were closely monitored.

The submarine cable systems in the vicinity demonstrated strong resilience during the event, maintaining stable performance throughout. The Palapa Ring Middle, which connects Ternate to broader networks, consistently measured an average latency of approximately 340 milliseconds over the past week. Similarly, the SEA-US cable, landing in Kauditan, Indonesia, held steady at an average latency of 253 milliseconds. The Indonesia Global Gateway (IGG) System, connecting Manado to international routes, performed reliably with an average latency of 144 milliseconds. These systems continued to carry traffic seamlessly, underscoring the robustness of the region's connectivity infrastructure.

Monitoring of these submarine cable corridors remains active in real time, with 1885 latency checks conducted across 713 systems in the last 24 hours. This ongoing vigilance ensures that any changes in network performance are promptly identified and addressed.

On September 23, 2026, a magnitude 4.5 earthquake occurred 63 km northeast of Ruteng, Indonesia. The event was moderate in scale, with its effects localized to the surrounding area. Emergency response teams assessed the situation, and the region's infrastructure demonstrated resilience in the face of the tremor.

Submarine cable systems in the vicinity maintained stable operations throughout the event. The Indonesia Tengah Cable Systems, landing at Labuhan Bajo (109 km from the epicenter), consistently measured an average round-trip time of ~340ms over the past week. Similarly, the Palapa Ring East, with a landing point at Waingapu (178 km away), held steady at ~347ms, while the Barat Timur Indonesia-2 (BTI-2) system, connecting to Jeneponto (304 km from the event), maintained a reliable ~321ms. These systems, critical to regional and international connectivity, continued to carry traffic seamlessly.

Our monitoring remains active across these and other submarine cable corridors, ensuring real-time oversight of network performance. The infrastructure continues to operate reliably, with comprehensive checks ongoing to support uninterrupted connectivity.

On September 22, 2026, a magnitude 4.6 earthquake occurred 46 km east of Union, Philippines. While moderate in scale, the event was closely monitored due to its proximity to populated areas and critical infrastructure. Local authorities responded promptly, and no significant disruptions to regional systems were reported. The earthquake serves as a reminder of the region's seismic activity and the importance of resilient infrastructure.

Submarine cable systems in the vicinity demonstrated robust performance during and after the event. The Philippine Domestic Submarine Cable Network (PDSCN), which connects Siargao Island (55 km from the epicenter) to the broader domestic network, maintained its average latency of approximately 301ms. Similarly, the PLDT Domestic Fiber Optic Network (DFON), with a landing point in Butuan City (136 km from the epicenter), upheld its typical latency of around 314ms. These systems continued to carry traffic seamlessly, underscoring their resilience in the face of natural seismic activity.

Real-time monitoring of these and other submarine cable systems remains ongoing, with 1932 latency checks conducted across 713 monitored systems in the last 24 hours. This continuous oversight ensures the stability and reliability of global connectivity in dynamic environments.

On September 22, 2026, a magnitude 4.7 earthquake occurred 7 km west-northwest of La Gomera, Guatemala. The event was localized and relatively moderate in scale, with its impact concentrated near the epicenter. Authorities responded promptly, and no widespread disruptions were reported in the affected region.

The submarine cable infrastructure in the area demonstrated strong resilience during and after the earthquake. Key systems such as South America-1 (SAm-1), which connects Puerto San Jose, Guatemala, to broader regional networks, maintained an average latency of ~140ms over the past week. Similarly, the South Pacific Cable System (SPCS)/Mistral, also landing at Puerto San Jose, held steady at ~117ms. Further north, systems like AMX-1 and ARCOS, landing at Puerto Barrios, Guatemala, continued to operate within their usual performance ranges, ensuring uninterrupted connectivity across critical routes.

Monitoring of these submarine cable corridors remains active in real time, with 1888 latency checks conducted over the last 24 hours across 713 systems. The network continues to operate with stability, supported by ongoing vigilance and robust infrastructure performance.

On September 22, 2026, a magnitude 4.7 earthquake occurred 54 km north-northwest of Ende, Indonesia. The event was localized to the region, with no widespread disruptions reported. Earthquakes of this magnitude are typically felt in surrounding areas but rarely cause significant structural damage. Local authorities responded promptly, monitoring the situation to ensure public safety.

The submarine cable infrastructure in the vicinity demonstrated strong resilience during the event. Systems such as the Indonesia Tengah Cable Systems (landing at Labuhan Bajo, 175 km from the epicenter) and Palapa Ring East (landing at Waingapu, 193 km away) continued to operate within their usual performance ranges, maintaining average latencies of approximately 340 ms and 346 ms, respectively. These cables, critical for connectivity across Indonesia's islands, carried traffic seamlessly through the seismic activity, underscoring their robust design and operational reliability.

Real-time monitoring of these and other submarine cable systems remains active, with 1950 latency checks conducted in the past 24 hours across 713 systems. This ongoing vigilance ensures the continued stability and performance of global communication networks.

On September 22, 2026, a magnitude 4.8 earthquake occurred 70 km north of Claveria, Philippines. The event impacted a sparsely populated area and lasted only a few seconds. Local authorities responded promptly, with no reports of significant disruptions to infrastructure or services in the region. The earthquake's moderate intensity was felt in nearby areas but did not result in widespread damage.

Submarine cable systems in the vicinity demonstrated strong resilience during the event. The TPU cable, which lands at Claveria, Philippines, maintained its average latency of ~212ms, while the Tata TGN-Intra Asia (TGN-IA) cable, connecting Ballesteros, Philippines, to other parts of Asia, held steady at ~92ms. Further south, the SEA-H2X cable, landing at La Union, Philippines, continued to operate at its baseline of ~58ms. These systems, critical to regional and international connectivity, carried traffic seamlessly through the event, showcasing the robustness of the infrastructure.

GeoCables continues to monitor these corridors and the broader network in real time, conducting thousands of latency checks daily to ensure stability and performance. The submarine cable systems remain fully operational, supporting uninterrupted communications across the region.

On September 22, 2026, a magnitude 5.2 earthquake occurred 92 km south of Sarangani, Philippines. The event affected nearby areas, with seismic activity recorded across a radius of several hundred kilometers. Local authorities responded promptly to assess the situation and address any potential impacts. The earthquake’s duration and intensity were closely monitored, ensuring timely dissemination of information to the affected population.

Submarine cable infrastructure in the region demonstrated resilience throughout the seismic event. Systems such as the Apricot cable, which connects Davao, Philippines, with other key locations in Asia, maintained an average latency of 191ms over the past week. Similarly, the Indonesia Global Gateway (IGG) System, landing in Manado, Indonesia, held steady at 131ms. The Asia Connect Cable-1 (ACC-1), also landing in Davao, continued to perform within its baseline latency of 246ms, supporting connectivity across vital communication routes. These systems, along with others in the area, carried traffic seamlessly during and after the earthquake.

Monitoring of these submarine cable systems remains active, with 1914 latency checks conducted in the past 24 hours. Real-time observations ensure continued stability across these critical corridors, supporting uninterrupted global communications.

On September 21, 2026, a magnitude 5.0 earthquake occurred 38 km east of Nobeoka, Japan. The event affected the surrounding region, with local authorities assessing its impact and coordinating responses. While the earthquake was moderate in scale, its proximity to coastal areas underscored the importance of resilient infrastructure in regions prone to seismic activity.

Submarine cable systems in the vicinity demonstrated their robustness during the event. The Guam Okinawa Kyushu Incheon (GOKI) system, which connects Kitakyushu, Japan, with other key hubs in East Asia, maintained an average latency of ~118ms over recent checks. Similarly, the Korea-Japan Cable Network (KJCN), linking Kitakyushu to Korea, held steady with an average latency of ~73ms. These systems, both landing within 169 km of the earthquake's epicenter, continued to carry traffic seamlessly, showcasing their ability to withstand seismic disturbances.

Our monitoring operations remain active, with 1,946 latency checks conducted across 713 submarine cable systems in the last 24 hours. These systems are under continuous observation to ensure their performance and resilience, providing reliable connectivity across critical corridors.

On September 21, 2026, a magnitude 5.5 earthquake occurred 35 km north-northeast of Ruteng, Indonesia. The event affected nearby areas but did not result in significant disruptions to regional infrastructure. Local authorities responded promptly to assess the situation and address any immediate needs in the affected communities.

Submarine cable systems in the vicinity demonstrated robust performance during and after the seismic activity. The Indonesia Tengah Cable Systems, landing at Labuhan Bajo (80 km from the epicenter), maintained an average latency of approximately 342ms over the past week. Similarly, the Palapa Ring East, landing at Waingapu (153 km from the event), sustained an average latency of 345ms, while the Barat Timur Indonesia-2 (BTI-2), landing at Jeneponto (311 km away), held steady at 322ms. These systems, critical for connectivity across Indonesia and beyond, continued to operate reliably, ensuring uninterrupted communication and data flow.

Monitoring of these cable corridors remains active, with 1925 latency checks conducted across 713 submarine cable systems in the past 24 hours. This ongoing vigilance ensures that any changes in network performance are promptly identified and addressed.

On September 20, 2026, a magnitude 4.7 earthquake occurred 54 kilometers southeast of Shima, Japan. The event was localized, with its effects primarily concentrated near the epicenter. Authorities reported no significant disruptions to local infrastructure, and response systems in the region remained on standby to address any potential aftershocks or related impacts.

The submarine cable infrastructure in the area demonstrated robust resilience during the event. Key systems such as the Asia Pacific Gateway (APG), the Australia-Japan Cable (AJC), and FASTER, all of which land at Shima, Japan, continued to operate within their typical performance ranges. For example, APG maintained an average latency of approximately 158ms, while AJC and FASTER held steady at around 162ms and 161ms, respectively. These cables, critical for connecting Japan to other parts of Asia and beyond, effectively carried traffic without interruption, underscoring their reliability even in the vicinity of seismic activity.

Monitoring of these and other submarine cable systems remains active in real time. With 1,958 latency checks conducted across 713 systems in the last 24 hours, the network continues to be closely observed to ensure uninterrupted connectivity across all monitored corridors.