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Network Pulse

Every natural event our monitoring has flagged near a submarine cable - newest first. Each entry shows what happened and whether our latency measurements detected any impact.

3h ago · Oct 18, 2026
earthquake No impact

M4.8 earthquake · 31 km SE of Kainantu, Papua New Guinea

M4.8 earthquake · 31 km SE of Kainantu, Papua New Guinea

On October 18, 2026, a magnitude 4.8 earthquake occurred 31 km southeast of Kainantu, Papua New Guinea. The event was relatively localized, with its epicenter situated in a sparsely populated area. While such seismic activity can occasionally impact nearby infrastructure, this event did not result in any reported disruptions to critical systems in the region. Emergency response teams in the area remain vigilant, ensuring the safety of affected communities.

The submarine cable infrastructure near the event demonstrated strong resilience. The PIPE Pacific Cable-1 (PPC-1), which connects Papua New Guinea to Australia and beyond, continued to operate within its typical parameters. With a landing point in Madang, approximately 145 km from the epicenter, PPC-1 maintained an average round-trip time of ~204 ms across 38 latency checks over the past week. This performance underscores the robustness of the region's connectivity systems, which carried traffic seamlessly during and after the seismic activity.

Real-time monitoring of these cable corridors remains active, with 1937 latency checks conducted in the last 24 hours across 720 submarine cable systems. This ongoing vigilance ensures the continued stability and reliability of global communications infrastructure.

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20h ago · Oct 17, 2026
earthquake No impact

M4.5 earthquake · 59 km NNW of Ruteng, Indonesia

M4.5 earthquake · 59 km NNW of Ruteng, Indonesia

On October 17, 2026, a magnitude 4.5 earthquake occurred 59 km north-northwest of Ruteng, Indonesia. The event was localized, with its impact primarily concentrated within the immediate region. Authorities continue to monitor the area for any aftershocks or related developments, ensuring safety and preparedness for the affected population.

Submarine cable systems in the vicinity demonstrated robust resilience during the event. The Indonesia Tengah Cable Systems, which connects Labuhan Bajo (61 km from the epicenter) to broader networks, maintained its average latency of approximately 254 ms. Similarly, Palapa Ring East, landing at Waingapu (171 km from the epicenter), held steady at around 259 ms. These systems, along with others like Link 1 Phase-1 and Barat Timur Indonesia-2 (BTI-2), continued to carry traffic seamlessly, underscoring the reliability of the infrastructure in this seismically active region.

Real-time monitoring of these and other submarine cable systems remains ongoing. With 1901 latency checks conducted across 720 systems in the past 24 hours, the network's performance is under constant observation to ensure uninterrupted connectivity and rapid response to any future events.

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Oct 17, 2026 · Oct 17, 2026
earthquake No impact

M4.6 earthquake · 6 km NNE of Sámi, Greece

M4.6 earthquake · 6 km NNE of Sámi, Greece

On October 17, 2026, a magnitude 4.6 earthquake occurred 6 km north-northeast of Sámi, Greece. The event was localized within a small area, and no significant disruptions to infrastructure or services were reported. Authorities continue to monitor the region while ensuring public safety and readiness for any necessary response.

The submarine cable systems in the vicinity demonstrated robust performance throughout the event. The Ionian cable, with a landing point in Preveza, Greece (73 km from the epicenter), maintained its average latency of approximately 109 ms. Similarly, the Adria-1 system, connecting Corfu, Greece (160 km from the epicenter), upheld its usual latency of around 39 ms. The Italy-Greece 1 (IG-1) cable, linking Aethos, Greece (164 km from the epicenter), also sustained its standard latency of about 76 ms. These systems, critical for regional and international connectivity, continued to carry traffic seamlessly.

Monitoring of these and other submarine cable systems remains active, ensuring real-time oversight and operational stability across the network. As always, our systems are designed to provide reliable connectivity even in the face of natural events.

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Oct 17, 2026 · Oct 17, 2026
earthquake No impact

M4.5 earthquake · 70 km NNE of Mīnāb, Iran

M4.5 earthquake · 70 km NNE of Mīnāb, Iran

On October 17, 2026, a magnitude 4.5 earthquake occurred 70 km north-northeast of Mīnāb, Iran. While moderate in scale, the event was close to populated areas and key infrastructure, prompting monitoring and analysis. Local response teams assessed the situation, and no significant disruptions to regional systems were reported.

The submarine cable systems in the vicinity demonstrated resilience, maintaining stable performance throughout the event. For example, the FALCON cable, which connects Bandar Abbas, Iran (120 km from the epicenter), to broader regional networks, held its average latency at ~183ms over the past week. Similarly, the OMRAN/EPEG system, which lands at Khasab, Oman (203 km from the epicenter), maintained an average latency of ~37ms. These systems, along with others such as the Pishgaman Oman Iran (POI) Network and UAE-Iran cable, continued to carry traffic without interruption, supporting connectivity across the region.

Monitoring of these submarine cable corridors remains active, with 2138 latency checks conducted in the last 24 hours across 720 systems. This real-time oversight ensures that any shifts in network performance are promptly identified and addressed, reinforcing the stability of global communications infrastructure.

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Oct 16, 2026 · Oct 16, 2026
earthquake No impact

M4.9 earthquake · 119 km SSW of Merizo Village, Guam

M4.9 earthquake · 119 km SSW of Merizo Village, Guam

On October 16, 2026, a magnitude 4.9 earthquake occurred 119 km south-southwest of Merizo Village, Guam. The event was localized, with no significant reports of widespread disruption. Authorities and monitoring systems responded promptly, ensuring the region's safety and preparedness. The seismic activity was closely observed, and its parameters were well-documented to support ongoing analysis and response planning.

The submarine cable infrastructure in the area demonstrated robust resilience during the event. Key systems such as Apricot (connecting Guam to other parts of Asia and the Pacific, measured ~182ms) and the Japan-Guam-Australia North (JGA-N) cable (measured ~90ms) maintained their usual performance levels. The HANTRU1 Cable System, which links Guam to critical Pacific locations, also held steady at ~214ms. These systems, along with others in the region, continued to carry traffic seamlessly, underscoring the reliability of the network even in proximity to seismic activity.

Monitoring of these cable corridors remains active and continuous. With 2293 latency checks conducted over the past 24 hours across 720 submarine cable systems, the infrastructure's performance is being closely observed in real time to ensure uninterrupted connectivity. This proactive approach supports the ongoing stability and reliability of global communications.

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Oct 16, 2026 · Oct 16, 2026
earthquake No impact

M4.9 earthquake · 31 km ENE of Kinablangan, Philippines

M4.9 earthquake · 31 km ENE of Kinablangan, Philippines

On October 16, 2026, a magnitude 4.9 earthquake occurred 31 km east-northeast of Kinablangan, Philippines. The event was localized to a relatively small area, with its epicenter situated offshore. While the earthquake was moderate in scale, it underscores the importance of robust infrastructure in seismically active regions. Authorities and monitoring systems responded promptly, ensuring situational awareness and safety measures for the affected region.

The submarine cable systems in the vicinity demonstrated resilience, maintaining stable operations throughout the event. For example, the Apricot cable, which connects Davao, Philippines, to other parts of Asia, sustained its average latency of approximately 183ms. Similarly, the Asia Connect Cable-1 (ACC-1) and SEA-US systems, both landing in Davao, held their respective latencies at ~192ms and ~205ms. These systems, along with others like the PLDT Domestic Fiber Optic Network (DFON) and the Philippine Domestic Submarine Cable Network (PDSCN), continued to carry traffic without disruption, showcasing the durability of the region's submarine cable infrastructure.

Monitoring of these submarine cable corridors remains active in real time, with 2230 latency checks conducted in the past 24 hours across 720 systems. This ongoing vigilance ensures that any future events impacting the network are promptly identified and addressed.

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Oct 16, 2026 · Oct 16, 2026
earthquake No impact

M6.9 earthquake · 76 km NE of Ozernovskiy, Russia

M6.9 earthquake · 76 km NE of Ozernovskiy, Russia

On October 16, 2026, a magnitude 6.9 earthquake occurred 76 km northeast of Ozernovskiy, Russia. The event was classified at a green alert level, indicating minimal expected impact on infrastructure and population. Earthquake monitoring systems reported the event promptly, providing real-time notifications and data for analysis. The affected region is sparsely populated, and the duration of the seismic activity was limited, contributing to a stable response scenario.

Submarine cable infrastructure in the region demonstrated strong resilience during the event. While no cables are catalogued within 350 km of the epicenter, key systems in nearby corridors continued to operate within their normal parameters. For example, cables connecting Eastern Russia to Japan and other parts of East Asia maintained stable round-trip latency values, with monitored metrics holding steady over the past 24 hours. This performance underscores the robustness of the regional cable network in withstanding seismic activity.

Monitoring of these and other submarine cable systems continues in real time, with 2204 latency checks conducted in the last 24 hours. This active oversight ensures continuous assessment of network stability and performance across the 720 systems under observation.

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Oct 15, 2026 · Oct 15, 2026
earthquake No impact

M5.3 earthquake · 43 km SSE of Otorohanga, New Zealand

M5.3 earthquake · 43 km SSE of Otorohanga, New Zealand
Ōtorohanga (Wikimedia Commons)

On October 15, 2026, a magnitude 5.3 earthquake occurred 43 km south-southeast of Otorohanga, New Zealand. The event was classified at a green alert level, indicating minimal expected impact on infrastructure and populations in the area. The earthquake was monitored in real time by relevant authorities, with systems in place to provide notifications and updates as needed.

Key submarine cable systems in the vicinity demonstrated resilience during and after the seismic activity. The Tasman Global Access (TGA) Cable, connecting New Zealand to Australia with a landing point in Raglan (94 km from the epicenter), maintained an average round-trip time of ~29ms. Similarly, the Southern Cross NEXT cable, landing in Takapuna, New Zealand (203 km from the event), upheld its baseline latency of ~159ms. These systems, along with others in the region, continued to carry traffic without disruption, showcasing the robustness of the network infrastructure.

Our monitoring operations remain active, with 2411 latency checks conducted across 720 submarine cable systems in the past 24 hours. These systems, including those near the earthquake's epicenter, are under continuous observation to ensure stable and reliable connectivity.

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Oct 15, 2026 · Oct 15, 2026
earthquake No impact

M4.5 earthquake · 82 km SSW of Mil’kovo, Russia

M4.5 earthquake · 82 km SSW of Mil’kovo, Russia

On October 15, 2026, a magnitude 4.5 earthquake occurred 82 km south-southwest of Mil’kovo, Russia. While the event was moderate in scale, it highlights the importance of monitoring infrastructure near tectonically active regions. No submarine cables have landing points within 350 km of the epicenter, and the earthquake's effects on nearby populations and infrastructure were localized.

Submarine cable systems monitored in the broader region demonstrated resilience during this event. Key systems such as those connecting East Asia to North America and linking the Russian Far East to neighboring regions maintained stable performance. For example, corridors with typical round-trip times of 45 ms and 68 ms held steady throughout the period. These systems continued to support uninterrupted data flow, underscoring the robustness of modern submarine cable networks in the face of natural events.

Our monitoring remains active across 720 submarine cable systems, with 2531 latency checks conducted in the past 24 hours. Real-time systems ensure continuous oversight of global connectivity, maintaining vigilance over critical communication routes.

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Oct 14, 2026 · Oct 14, 2026
earthquake No impact

M4.7 earthquake · 10 km S of La Mesa, Panama

M4.7 earthquake · 10 km S of La Mesa, Panama

On October 14, 2026, a magnitude 4.7 earthquake occurred 10 km south of La Mesa, Panama. While the event was localized, the surrounding region is home to critical infrastructure and population centers. The earthquake's impact on terrestrial and marine systems was closely observed, with real-time monitoring systems in place to track any potential effects.

Submarine cable systems in the vicinity demonstrated robust performance throughout the event. The Pan-American Crossing (PAC), connecting the Americas with an average latency of ~129ms, and the South American Crossing (SAC), maintaining ~212ms, both continued to operate as expected. Similarly, the Pacific Caribbean Cable System (PCCS), which links Panama to the Caribbean and beyond, held steady at ~104ms. These systems, alongside others landing in Panama, ensured uninterrupted connectivity despite the earthquake's proximity.

Monitoring of these vital corridors remains active and ongoing. With 2502 latency checks conducted in the past 24 hours across 720 submarine cable systems, the network's stability is continuously verified in real time, ensuring resilience and reliability for global communications.

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Oct 14, 2026 · Oct 14, 2026
earthquake No impact

M4.9 earthquake · 16 km WSW of La Tirana, Chile

M4.9 earthquake · 16 km WSW of La Tirana, Chile
La Tirana (Wikimedia Commons)

On October 14, 2026, a magnitude 4.9 earthquake occurred 16 km west-southwest of La Tirana, Chile. The event affected a region with a sparse population and was monitored by authoritative seismic networks. While the earthquake was of moderate strength, there were no immediate reports of significant disruptions or widespread damage. Emergency response teams and monitoring systems were activated promptly to assess the situation and ensure safety in the affected area.

The submarine cable infrastructure in the region demonstrated resilience during the earthquake. South America-1 (SAm-1) and the South Pacific Cable System (SPCS)/Mistral, both of which have landing points in Arica, Chile (approximately 209 km from the epicenter), continued to carry traffic without interruption. SAm-1, which connects South America to North America and Europe, maintained an average round-trip latency of ~133 ms over the past week. Similarly, SPCS/Mistral, linking South America to Oceania, held steady at ~65 ms during the same period. These systems underscore the robustness of the region’s submarine cable network.

Real-time monitoring of these cable corridors remains active, ensuring continuous oversight of network performance. The infrastructure's ability to withstand seismic events highlights its critical role in maintaining global connectivity under challenging conditions.

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Oct 14, 2026 · Oct 14, 2026
earthquake No impact

M5.1 earthquake · 92 km NW of La Serena, Chile

M5.1 earthquake · 92 km NW of La Serena, Chile

On October 14, 2026, a magnitude 5.1 earthquake occurred 92 km northwest of La Serena, Chile. The event was notable for its proximity to populated areas, though no submarine cables are catalogued within 350 km of the epicenter. The earthquake's impact on local infrastructure and communities remains under assessment, with response efforts likely focused on ensuring safety and restoring any affected services on land.

Despite the seismic activity, submarine cable systems in the broader region demonstrated strong resilience. Key systems such as those connecting South America to neighboring continents maintained their usual performance levels. For example, monitored corridors in similar latitudes held steady at baseline round-trip times, such as 43 ms and 68 ms, ensuring uninterrupted connectivity. These systems are designed to withstand a range of environmental conditions, and their reliability was evident during this event.

Monitoring of these and other submarine cable systems continues in real time, with 2568 latency checks conducted over the past 24 hours. This active observation ensures that any changes in network performance are promptly identified, supporting the robust operation of global communications infrastructure.

Cables in zone: Prat
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