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.
M4.6 earthquake · 63 km W of Catuday, Philippines
The submarine cable network remains stable with 1491 latency checks conducted over the past 24 hours showing no anomalies and zero active alerts. This indicates that the network is operating smoothly without any disruptions. The recent M4.6 earthquake on May 30, 2026, near Catuday, Philippines, did not affect the cables within our monitored range. All submarine cables with landing points within 350km of the seismic event are currently functioning normally as indicated by our latency measurements, which show no impact from the earthquake.
M4.7 earthquake · 72 km N of Güiria, Venezuela
A magnitude 4.7 earthquake occurred on May 30, 2026, approximately 72 km north of Güiria, Venezuela. While the epicenter was some distance from any submarine cable landings, several cables with landing points within a 350km radius were monitored for potential impacts.
Our latency measurements indicate that none of the affected cables - Deep Blue One, Eastern Caribbean Fiber System (ECFS), EC Link, Southern Caribbean Fiber, and Suriname-Guyana Submarine Cable System - showed any significant changes. The CARCIP and TT1 cables, which are further away from the event, did not show active measurements due to their location.
M5.2 earthquake · 250 km ESE of Severo-Kuril’sk, Russia
On May 29, 2026, a magnitude 5.2 earthquake struck approximately 250 km ESE of Severo-Kuril’sk, Russia.
The affected submarine cables with landing points within 350km include the Petropavlovsk-Kamchatsky - Anadyr cable (landing at Petropavlovsk-Kamchatsky, Russia, 334km from the event) and the Polar Express (also landing at Petropavlovsk-Kamchatsky, Russia, 334km from the event). Our latency measurements did not show any significant changes for these cables. Most earthquakes of this magnitude do not result in cable disruptions; however, we continue to monitor closely.
M5.3 earthquake · Revilla Gigedo Islands region

A magnitude 5.3 earthquake struck the Revilla Gigedo Islands region on [Date]. This seismic event is significant but located in an area with no known submarine cable landing points within a 350km radius, as per our records.
No submarine cables are affected by this quake based on current data. Our latency measurements have not shown any changes, indicating that the majority of cables operating in the region remain unaffected by the seismic activity. This is typical for earthquakes of this magnitude, which generally do not cause disruptions to submarine cable networks unless they directly impact a landing point or cause significant underwater disturbances.