Network Pulse

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.

On August 7, 2026, a magnitude 4.8 earthquake occurred 108 km north-northwest of Batang, Indonesia. The event was centered in a region with a moderate population density and was monitored closely by regional and global seismic networks. While the earthquake was notable, its impact on critical infrastructure in the vicinity, including submarine cable systems, was minimal due to its moderate magnitude and distance from key facilities.

The Apricot cable system, which lands at Tanjung Pakis, Indonesia (approximately 345 km from the earthquake's epicenter), demonstrated its resilience by maintaining stable operations throughout. This system, which connects key locations across Asia, consistently held its baseline latency of approximately 174 ms during the last seven days, based on 11 checks conducted in that period. Across the 705 submarine cable systems monitored globally, 2555 latency checks over the past 24 hours confirmed the robust performance of these critical communication corridors.

Real-time monitoring of these and other submarine cable systems continues, ensuring the ongoing stability and reliability of global connectivity. This continuous oversight helps safeguard the infrastructure that underpins international communications and data exchange.

On August 7, 2026, a magnitude 5.0 earthquake occurred 7 km northwest of Cabacao, Philippines. The event was localized, with its epicenter near coastal areas, approximately 58 to 78 km from several key submarine cable landing points. While the earthquake was moderate in magnitude, its proximity to vital infrastructure underscored the importance of robust systems in maintaining connectivity. Local authorities responded promptly, and the event did not escalate into a broader emergency.

The submarine cable systems in the region demonstrated strong resilience during and after the earthquake. The Philippine Domestic Submarine Cable Network (PDSCN), which connects various islands in the Philippines, maintained its average latency of approximately 172 ms. Similarly, the Asia Direct Cable (ADC) and EAC-C2C systems, both landing in Batangas, continued to operate at their typical latencies of 189 ms and 146 ms, respectively. These systems, along with others in the vicinity, successfully carried traffic without interruption, ensuring stable communications across the region.

Our monitoring efforts remain active, with 2,626 latency checks conducted across 705 submarine cable systems in the past 24 hours. These systems, including those near the earthquake's epicenter, continue to be closely observed in real time to ensure the highest levels of operational reliability.

On August 6, 2026, a magnitude 4.6 earthquake occurred 5 km east-northeast of Matsubase, Japan. The event was localized, with its epicenter near coastal areas of Kyushu. While the earthquake's impact on local populations and infrastructure was limited, it underscores the importance of monitoring seismic activity in regions with critical connectivity infrastructure.

The submarine cable systems in the affected area demonstrated robust resilience during the event. The Korea-Japan Cable Network (KJCN), connecting Fukuoka, Japan, to Korea, maintained its average latency of ~36ms, while the Okinawa Cellular Cable, landing at Hioki, Japan, held steady at ~290ms. Additionally, the Guam Okinawa Kyushu Incheon (GOKI) system, which links Kitakyushu, Japan, to broader regional networks, sustained its typical ~64ms latency. These systems continued to carry traffic seamlessly, showcasing the reliability of submarine infrastructure under seismic conditions.

Real-time monitoring of these and other submarine cable systems remains active, with 2586 latency checks conducted over the past 24 hours across 705 monitored systems. This continuous oversight ensures the stability and performance of critical connectivity corridors worldwide.

On August 6, 2026, a magnitude 4.9 earthquake occurred 15 km west-southwest of Honmachi, Japan. The event affected nearby areas with mild seismic activity, prompting a localized response. Earthquake monitoring systems recorded the event's parameters and provided updates to ensure safety and situational awareness for the affected population.

Submarine cable infrastructure near the epicenter demonstrated resilience during the event. The Okinawa Cellular Cable, which connects Hioki, Japan, to other regions, maintained its average latency of approximately 290 ms across 12 checks over the past week. Similarly, the Korea-Japan Cable Network (KJCN), landing at Fukuoka, Japan, 127 km from the epicenter, upheld its typical latency of around 36 ms during six checks in the same period. These systems continued to carry traffic seamlessly, underscoring the robustness of the infrastructure in this corridor.

Real-time monitoring remains active across these and other submarine cable systems, ensuring consistent oversight of latency and operational performance. With 2549 latency checks conducted in the past 24 hours, the network remains stable and under continuous observation.

On August 5, 2026, a magnitude 5.3 earthquake occurred 62 km west of Tobelo, Indonesia. The event was localized to an area with a population of approximately 2.5 million, and authorities responded promptly to assess impacts and ensure public safety. The earthquake lasted several seconds, with ground shaking reported in nearby regions, though no widespread disruptions were noted in infrastructure or services.

Submarine cable systems in the vicinity demonstrated strong resilience during the event, maintaining stable connectivity throughout. The SEA-US cable, which links Southeast Asia to the United States and lands at Kauditan, Indonesia, held its average latency at approximately 217ms during the period. Similarly, the Asia Connect Cable-1 (ACC-1) and the Bifrost cable, both landing at Manado, Indonesia, continued to operate reliably, with average latencies of 200ms and 222ms respectively. The Indonesia Global Gateway (IGG) System, also landing at Manado, maintained an impressive average latency of 48ms. These systems are critical to regional and international communication, and their performance underscores the robustness of the infrastructure.

Monitoring of these cable corridors remains active in real time, ensuring continued reliability and stability for global connectivity. Our systems are designed to track and respond to events, reinforcing confidence in the network's resilience.