Network Pulse

On August 11, 2026, a magnitude 5 earthquake occurred 107 km west-northwest of Kerema, Papua New Guinea. While moderate in scale, the event was close enough to populated areas to warrant attention. Local response teams and monitoring agencies tracked the situation, ensuring safety and assessing any potential impacts in the region.

Submarine cable infrastructure near the earthquake's epicenter demonstrated robust resilience. The PIPE Pacific Cable-1 (PPC-1), which connects Papua New Guinea to Australia and other Pacific regions, maintained its usual latency of approximately 234ms. Similarly, the Coral Sea Cable System (CS²) and Hawaiki Nui 1, both landing at Port Moresby, Papua New Guinea, held steady at their respective baselines of ~249ms and ~144ms. These systems, critical for regional and international connectivity, continued to perform reliably during and after the seismic activity.

Monitoring of these submarine cable corridors remains active in real time, with 2369 latency checks conducted across 705 systems over the past 24 hours. This ongoing vigilance ensures that the network's performance is continuously observed and maintained.

On August 11, 2026, a magnitude 4.8 earthquake occurred near Pulau Pulau Tanimbar, Indonesia. The event was centered in a region with a relatively low population density, and no immediate large-scale response was reported. Earthquake monitoring systems in the area provided detailed data on the event, ensuring that regional seismic activity remains well-documented.

The submarine cable infrastructure in the vicinity demonstrated robust resilience. The Palapa Ring East system, which lands at Saumlaki, Indonesia (116 km from the earthquake's epicenter), continued to carry traffic seamlessly. Over the past week, this cable has maintained an average round-trip latency of approximately 180 milliseconds across 18 checks. These performance levels underscore the system's ability to withstand seismic activity while reliably connecting Indonesia's eastern regions to broader networks.

Real-time monitoring of these and other submarine cable systems remains ongoing. With 2367 latency checks conducted across 705 cable systems in the past 24 hours, the network's operational integrity continues to be closely observed, ensuring uninterrupted connectivity across critical corridors.

On August 11, 2026, a magnitude 4.6 earthquake occurred 99 km south-southeast of Sand Point, Alaska. The event was localized and did not affect any major population centers within the immediate area. While moderate in magnitude, such seismic activity underscores the importance of robust monitoring and resilient infrastructure in regions prone to geological events.

The submarine cable systems we monitor demonstrated strong resilience during and after the earthquake. Key systems such as those connecting the Pacific Northwest to Alaska and trans-Pacific routes maintained stable performance throughout the event. For example, monitored corridors held steady at their usual round-trip times, including baselines of 43 ms and 72 ms, ensuring uninterrupted connectivity. This reliability highlights the engineering and operational strength of the cables in these seismically active regions.

Monitoring of these and other submarine cable systems continues in real time, with 2296 latency checks conducted over the past 24 hours across 705 systems. The infrastructure remains under constant observation, ensuring that any changes in performance are promptly identified and assessed.

On August 11, 2026, a magnitude 4.9 earthquake occurred 103 km south-southeast of Sand Point, Alaska. The event was centered offshore and registered at a moderate intensity. While the earthquake was noticeable in the surrounding region, no significant disruptions to local infrastructure or population centers were reported.

Submarine cable systems in the broader region demonstrated their resilience during this seismic activity. Key systems such as those connecting Alaska to the Pacific Northwest and beyond maintained stable performance. Monitoring confirmed that round-trip latencies along these routes held steady at baseline values, ensuring uninterrupted connectivity. Over the past 24 hours, 2,456 latency checks across 705 monitored cable systems further underscored the robustness of the global network.

Real-time monitoring of these and other submarine cable corridors continues, ensuring that any potential impacts are swiftly identified and assessed. The network remains under active observation to support global connectivity with confidence.

On August 10, 2026, a magnitude 7.4 earthquake occurred 5 kilometers south of San José del Palmar, Colombia. The event was significant in scale, with its epicenter located approximately 139 kilometers from Buenaventura, Colombia. Response efforts are ongoing, as detailed information about the impact on local populations and infrastructure continues to emerge.

Despite the earthquake's proximity to key submarine cable infrastructure, systems such as the South American Crossing (SAC) demonstrated resilience. The SAC cable, which connects Buenaventura, Colombia, to other parts of South America and beyond, maintained stable performance throughout the event. Recent latency checks on SAC showed an average round-trip time of approximately 204 milliseconds, a value that held steady during this period. This performance highlights the robustness of the region's submarine cable networks under seismic stress.

Our monitoring systems remain fully operational, conducting real-time checks across 705 submarine cable systems globally, including those in the affected region. This continuous oversight ensures that any potential changes in network performance are promptly identified and addressed.

On August 10, 2026, a magnitude 4.6 earthquake occurred 13 km east-southeast of San Miguel, Philippines. The event impacted a localized area and was recorded at shallow depth, with regional response systems activated promptly to assess conditions and provide necessary support. While the earthquake's magnitude was moderate, its proximity to several submarine cable landing points highlights the importance of resilient infrastructure in maintaining connectivity during such events.

The submarine cable systems in the vicinity demonstrated strong resilience, carrying traffic seamlessly through the event. The PLDT Domestic Fiber Optic Network (DFON), which lands at Butuan City (57 km from the earthquake's epicenter), maintained an average latency of approximately 188 ms. Similarly, the Submarine Cable in the Philippines (SCiP), also landing at Butuan City, held steady at 172 ms. Further south, the Apricot cable system, landing at Davao (210 km from the epicenter), continued to operate reliably with an average latency of 183 ms. These systems, connecting key regions in the Philippines and beyond, underscore the robustness of the infrastructure under monitored conditions.

Monitoring of these submarine cable corridors remains active in real time, ensuring consistent oversight of network performance. The stability observed highlights the infrastructure's capacity to support uninterrupted connectivity during seismic events.

On August 10, 2026, a magnitude 5.0 earthquake occurred 198 km southeast of Sarangani, Philippines. The event impacted a region with a population of approximately 1.3 million people, though no significant damage or disruptions were reported. Authorities responded promptly, ensuring safety measures were in place and monitoring for any subsequent activity. The earthquake's effects were localized, with no widespread impact on infrastructure or services.

Submarine cable systems near the event demonstrated robust resilience, maintaining stable connectivity throughout. The Apricot cable, which connects Davao, Philippines, to other key hubs in Asia, held an average round-trip latency of ~183 ms over the past week. Similarly, the Asia Connect Cable-1 (ACC-1) and SEA-US cables, both landing at Davao, continued to operate smoothly, with respective average latencies of ~200 ms and ~212 ms. These systems, vital for regional and international communication, effectively withstood the seismic activity while carrying uninterrupted traffic.

Monitoring of these cable systems and their corridors remains active in real time. With 2369 latency checks conducted in the last 24 hours across 705 submarine cable systems, infrastructure performance continues to be closely observed, ensuring reliable connectivity for global communications.

On August 9, 2026, a magnitude 4.8 earthquake occurred 7 km east-southeast of Mabini, Philippines. The event affected local populations within the vicinity and was closely monitored by regional authorities. Earthquake activity of this scale can pose risks to infrastructure and communities, but prompt response protocols ensure ongoing assessment and mitigation efforts. The duration and impact of the earthquake were localized, with no reports of widespread disruption.

Submarine cable systems in the region demonstrated strong resilience during the event. The Converge Domestic Submarine Cable Network (CDSCN), PLDT Domestic Fiber Optic Network (DFON), and Submarine Cable in the Philippines (SCiP), all landing at Ormoc, Philippines (approximately 80 km from the earthquake's epicenter), maintained stable operations. These systems, which are critical for domestic connectivity, held their average latency values of ~172ms and ~188ms as measured over the past week. Similarly, the Philippine Domestic Submarine Cable Network (PDSCN), landing at Palompon (98 km from the epicenter), continued to operate within its usual performance range (~172ms).

Real-time monitoring remains active across these and other submarine cable corridors. With 2273 latency checks conducted in the last 24 hours, the network continues to be closely observed to ensure seamless performance and reliability.

On August 9, 2026, a magnitude 4.6 earthquake occurred 96 km south of Sarangani, Philippines. The event was relatively moderate in scale, with its effects localized to the region. Authorities responded promptly, and no significant disruptions to local infrastructure or services were reported. The earthquake's proximity to key submarine cable landing points underscored the importance of resilient network infrastructure in such geologically active areas.

The submarine cable systems in the vicinity demonstrated robust performance throughout the event. The Apricot cable, which connects Davao, Philippines, to other parts of Asia, maintained an average latency of approximately 175 milliseconds. Similarly, the Asia Connect Cable-1 (ACC-1), also landing in Davao, sustained its baseline latency of around 200 milliseconds. The Indonesia Global Gateway (IGG) System, linking Manado, Indonesia, to the broader region, held steady at an average of 39 milliseconds. These systems continued to facilitate seamless data transmission during and after the event, reflecting their resilience in the face of natural disturbances.

Monitoring of these submarine cable corridors remains active and ongoing. Our systems continue to provide real-time oversight, ensuring the reliable performance of critical network infrastructure in this region and beyond.

On August 8, 2026, a magnitude 5.6 earthquake occurred 42 km east of Noda, Japan. The event was classified with a green alert level by authoritative sources, indicating limited impact on the surrounding population and infrastructure. The earthquake's location and scale were closely monitored, with real-time notifications and data feeds available for situational awareness.

Submarine cable infrastructure in the region demonstrated resilience during the event. The Hokkaido-Sakhalin Cable System (HSCS), which connects Ishikari, Japan, to Sakhalin, Russia, maintained stable performance throughout, with an average latency of approximately 112 milliseconds over recent checks. This system, located 344 km from the earthquake's epicenter, continued to carry traffic without disruption. Across the broader network, 2220 latency checks conducted in the last 24 hours confirmed the stability of monitored systems.

GeoCables continues to actively monitor submarine cable corridors in real time, ensuring reliable performance and rapid detection of any changes. The infrastructure's ability to withstand such events underscores its robustness and the effectiveness of ongoing monitoring efforts.

An M5.6 earthquake occurred on August 8, 2026, approximately 57 km WNW of Skwentna, Alaska. The event was centered in a sparsely populated region, minimizing direct human impact. Authorities have been monitoring the situation closely, ensuring readiness for any necessary response. The seismic activity highlights the importance of robust infrastructure in regions prone to such natural events.

Submarine cable systems in the vicinity demonstrated strong resilience during the earthquake. The NorthStar cable, landing at Whittier, Alaska (254 km from the epicenter), maintained its average latency of approximately 228 ms across 54 checks over the past week. Similarly, the Alaska United West (AU-West) cable, with a landing point in Seward, Alaska (285 km from the epicenter), held steady at an average latency of 213 ms over 12 checks in the same period. These systems, critical for connectivity in the region, continued to carry traffic without interruption, underscoring their reliability under seismic conditions.

Real-time monitoring of these and other submarine cable systems remains active, ensuring continuous oversight of network performance. This ongoing vigilance supports the stability and robustness of global communications infrastructure, even in geologically dynamic areas.

On August 8, 2026, a magnitude 4.6 earthquake occurred 7 km south-southwest of Caburan, Philippines. The event was localized, with its impact concentrated near the epicenter, approximately 137 km from Davao and 310 km from Cagayan de Oro. Authorities have been monitoring the situation closely and providing updates through real-time notifications and web services.

The submarine cable infrastructure in the region demonstrated strong resilience during the event. Key systems such as Apricot, Asia Connect Cable-1 (ACC-1), and SEA-US, all of which land in Davao, maintained their typical performance, with average latencies holding steady at ~174ms, ~200ms, and ~219ms, respectively. These systems, connecting critical routes across the Asia-Pacific region, continued to carry traffic without disruption. Similarly, domestic networks like the Converge Domestic Submarine Cable Network (CDSCN) and the Philippine Domestic Submarine Cable Network (PDSCN), both landing in Cagayan de Oro, upheld their usual round-trip times of ~172ms, showcasing their robustness.

Our monitoring systems remain actively engaged, continuously tracking the performance of these and other submarine cable systems. Real-time data collection ensures that any changes in network behavior are promptly identified, supporting the ongoing reliability of global connectivity.