Power Failures and Storms Caused 49 Internet Outages Last Quarter

The global Internet relies heavily on physical infrastructure, making it vulnerable to power grid failures and natural disasters. According to data from Cloudflare Radar, which monitors a large share of web traffic, 49 distinct Internet disruptions occurred during the third quarter of 2026. These events highlight how physical systems dictate virtual connectivity.

Power Grids and Infrastructure

Electricity failures emerged as a leading cause of connectivity loss. When power grids fail, routers and data centers often go down with them. Cuba faced multiple grid-related blackouts over the quarter, while a single power failure at a facility in Honduras cut national web traffic significantly. Even countries with strong digital resilience, such as the United States and Japan, experienced localized outages due to equipment and cooling failures.

Natural Disasters and Government Actions

Extreme weather also damaged critical telecommunications networks. Typhoons in Guam knocked out power lines and disrupted web access for days, while earthquakes and flash floods in countries like Colombia and Nepal harmed fiber-optic cables and local infrastructure. Meanwhile, government-directed actions remained the single most frequent source of outages, led largely by school exam-related shutdowns in Iraq and political conflicts elsewhere.

• Cloudflare Radar tracked 49 total Internet disruptions in Q3 2026.
• Government shutdowns accounted for 19 incidents, including 18 exam blocks in Iraq.
• Power outages caused 14 disruptions, while natural disasters led to five.