Internet outage history
Heard & McDonald Islands
Operational since Oct 21, 2026 13:05 UTC
Every disruption Blackout Map has recorded in Heard & McDonald Islands since monitoring began on October 16, 2026, with reported government shutdowns and submarine cable incidents.
Overview
Last 90 days
Worst status per day, last 90 daysIODA · routes and active probing, % of normal
last 72 hoursThe same measurements as the live panel, per 30 minutes. Times in UTC.
Incidents
All incidents
our probes and IODANo disruptions recorded in Heard & McDonald Islands since monitoring started on October 16, 2026.
Attacks and context
Context only — they don't change the status above.
DDoS attacks aimed at Heard & McDonald Islands · 7 days
Per hour; each line is relative to its own busiest hour of the week (100%). Context only — attacks never change a country's status.
Long-term history
Before our monitoring: IODA archive
Outages in Heard & McDonald Islands detected by IODA (Georgia Tech) between January 2022 and the start of our own monitoring: drops in the country's internet routes (BGP) or in its reachability from IODA's active probing, compared with the day before. Each is checked against IODA's signal; small dips are left out.
IODA recorded no outages in Heard & McDonald Islands in that period.
Government shutdowns and blocks
since 2019The Internet Society Pulse tracker has no recorded government shutdowns or blocks in Heard & McDonald Islands since 2019.
Provided by Internet Society.
Submarine cable incidents
No submarine cable incidents recorded for Heard & McDonald Islands.
Cable incidents: GeoCables (CC BY 4.0). Context only — they never change a country's status.