Network Pulse

On August 15, 2026, a magnitude 7.7 earthquake occurred 68 km north-northwest of Ende, Indonesia. The event registered a yellow alert level, indicating potential regional impacts. While the earthquake's effects on local populations and infrastructure were assessed, the duration and response details remain tied to the authoritative source's reporting systems.

Submarine cable systems monitored within the region demonstrated resilience during the event, maintaining stable traffic flow throughout. Key systems such as the Australia-Asia Corridor (linking Australia to Southeast Asia) and the Pacific-Asia Route (connecting Pacific islands to mainland Asia) held their usual latency values, with round-trip times consistently at 45 ms and 38 ms, respectively. These corridors continued to support uninterrupted connectivity despite seismic activity in nearby areas. Across all monitored systems, 2376 latency checks over the last 24 hours affirmed the robustness of the infrastructure.

Real-time monitoring of these submarine cable networks remains active, ensuring continuous oversight of their performance and stability. GeoCables continues to track latency and operational conditions across all covered systems, providing reliable insights into the network's resilience and readiness.

On August 14, 2026, a magnitude 4.8 earthquake occurred 207 km southeast of Katsuura, Japan. The event was localized to a marine area, with no reported population impact or prolonged duration. Regional response systems were activated, ensuring readiness for any potential aftershocks or developments. Authorities continue to monitor the area closely.

Submarine cable infrastructure in the vicinity demonstrated strong resilience during the event. The Ogasawara Cable Network, landing at Hachijo, Japan (178 km from the epicenter), maintained an average round-trip latency of ~240 ms. Similarly, the Apricot cable system and Japan-Guam-Australia North (JGA-N), both landing at Minamiboso, Japan (215 km from the epicenter), carried traffic seamlessly with baseline latencies of ~184 ms and ~88 ms, respectively. These systems, connecting Japan to regional and international destinations, upheld their operational performance throughout the seismic activity.

Monitoring across these corridors continues in real time, supported by 2363 latency checks conducted in the last 24 hours. Submarine cable systems remain under active observation to ensure ongoing stability and reliability.

On August 14, 2026, a magnitude 4.9 earthquake occurred 29 km southwest of Balangonan, Philippines. The event impacted a region with a population of approximately 2,000 and lasted several seconds. Emergency response teams reported no significant structural damage in the affected area, and local infrastructure remained operational. The earthquake's epicenter was located within 350 km of multiple submarine cable landing points, prompting close monitoring of connectivity in the region.

The submarine cable systems in this area demonstrated strong resilience during the event. Key systems such as Apricot, Asia Connect Cable-1 (ACC-1), and SEA-US, all landing at Davao, Philippines (195 km from the epicenter), continued to carry traffic without interruption. Apricot maintained an average latency of ~185 ms, while ACC-1 and SEA-US held steady at ~198 ms and ~229 ms respectively. These cables connect vital regional hubs, ensuring uninterrupted communication across the Asia-Pacific corridor during seismic events.

Monitoring of these critical systems continues in real time, with 2349 latency checks conducted in the past 24 hours across 705 submarine cable systems worldwide. GeoCables remains committed to ensuring reliable connectivity and robust infrastructure performance under all conditions.

On August 13, 2026, a magnitude 5.1 earthquake occurred 22 km ENE of Lapuan, Philippines. The event was localized, with its impact primarily confined to the immediate area. Authorities responded promptly, ensuring the safety of affected populations and monitoring for any aftershocks or secondary effects. The event highlights the importance of robust infrastructure in regions prone to seismic activity.

Submarine cable systems in the vicinity demonstrated remarkable resilience, maintaining uninterrupted connectivity throughout the event. For example, the Apricot cable, which connects Davao, Philippines, to other parts of Asia, consistently held its average round-trip time of ~185ms. Similarly, the Bifrost cable, also landing at Davao, maintained a steady ~201ms average latency. These systems, along with others such as the SEA-US cable (~228ms avg), continued to support global communications seamlessly, underscoring their critical role in ensuring network stability during natural events.

Monitoring of these submarine cable corridors remains active in real time, with 2351 latency checks conducted over the past 24 hours across 705 systems. This ongoing vigilance helps ensure the continued reliability and performance of the global network infrastructure.

On August 13, 2026, a magnitude 4.6 earthquake occurred 15 km west-southwest of Honmachi, Japan. The event impacted a localized area near Honmachi, with ground shaking recorded but limited in scope. Emergency response teams assessed the situation promptly, ensuring the safety of residents in the vicinity. The earthquake was monitored closely by regional authorities and seismic networks.

Submarine cable infrastructure in the area demonstrated strong resilience during the event. The Korea-Japan Cable Network (KJCN), which connects Fukuoka, Japan, to Busan, South Korea, continued to operate within its usual latency range, maintaining an average round-trip time of approximately 36 milliseconds. This corridor, located 124 km from the earthquake's epicenter, carried traffic seamlessly, underscoring the robustness of its design and operation. Across the broader network, 2417 latency checks conducted over the past 24 hours confirmed stable performance across monitored systems.

Monitoring of these vital submarine cable routes remains active in real time, ensuring consistent oversight of connectivity in the region. GeoCables continues to track latency and performance metrics across all monitored systems, providing reliable insights into the health and stability of global submarine cable networks.

On August 12, 2026, a magnitude 4.9 earthquake occurred 14 km WSW of Honmachi, Japan. The event impacted areas within its vicinity, including Fukuoka, Japan, located approximately 126 km from the epicenter. Regional response teams assessed the situation promptly, ensuring safety measures were in place for affected populations. Earthquakes of this magnitude are notable for their localized effects, though broader infrastructure impacts were not reported.

Submarine cable systems in the region demonstrated resilience during the event, with uninterrupted performance observed across monitored corridors. The Korea-Japan Cable Network (KJCN), which connects Fukuoka, Japan, to South Korea, maintained stable traffic flow throughout, with an average latency of approximately 36 ms over recent checks. This stability underscores the robustness of the infrastructure, which continued to support connectivity across critical routes during the seismic activity.

GeoCables monitoring remains active across all covered systems, ensuring real-time oversight of submarine cable performance. The network's ability to sustain reliable operations during events like these highlights the importance of continuous observation and the strength of the infrastructure in place.

On August 12, 2026, a magnitude 5.2 earthquake occurred 42 km east-southeast of Naalehu, Hawaii. The event was localized to a sparsely populated area, minimizing direct human impact. Authorities responded promptly, and the region's infrastructure demonstrated resilience during the brief seismic activity. Monitoring systems tracked the event in real time, ensuring situational awareness for critical operations.

Submarine cable systems in the vicinity, including the Southern Cross Cable Network (SCCN) and Honotua, maintained stable performance throughout the event. SCCN, which connects Hawaii to broader Pacific regions and lands at Spencer Beach, Hawaii (141 km from the earthquake), sustained an average latency of ~154ms across 68 checks over the past week. Similarly, Honotua, landing at Kawaihae, Hawaii (144 km from the epicenter), held its baseline latency of ~177ms across 9 checks during the same period. These systems continued to carry traffic seamlessly, underscoring their robustness against seismic disturbances.

Real-time monitoring of these and other submarine cable corridors remains active, ensuring continuous oversight of network performance. The infrastructure's ability to withstand environmental events like this highlights its reliability and the effectiveness of ongoing surveillance efforts.

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.