AWS
Infrastructure Outages
15 min
Why Did AWS Overheat? Inside the North Virginia Thermal Surge and Power Failures That Halted Global Trading Rails
On May 7, 2026, a sudden cooling failure at an Amazon Web Services (AWS) facility in Northern Virginia turned the backbone of the internet into an environmental oven. High temperatures triggered a critical 'thermal event' and subsequent power loss, causing widespread instance impairments and freezing operations for enterprise heavyweights like Coinbase, FanDuel, and CME Group. Far from a routine glitch, this high-profile disruption exposed the extreme fragility of high-density availability zones failing under synchronous load.
{'label': 'peak incident duration', 'value': '21 Hours'}
{'label': 'affected core services', 'value': '12+'}
{'label': 'downdetector alert spike', 'value': '~600 Blocks'}
+1
{'label': 'availability zones isolated', 'value': '1 Zone'}