Galápagos corals show El Niño events are more extreme now than in past 1,000 years
Temperatures have warmed dramatically across the equatorial Pacific Ocean in 2026, signaling the onset of a strong and potentially historic El Niño. These events can affect weather around the world, and the intensity of recent El Niño events is raising alarm that, as global temperatures rise, they are becoming stronger and more destructive.
An intense El Niño event is currently affecting the equatorial Pacific Ocean, raising concerns about its increasing strength and destructive potential as global temperatures rise. To investigate these changes, researchers examined coral records from the Galápagos Islands, a crucial area for understanding El Niño patterns. The study revealed that, on average, El Niño events have been more severe in the past 40 years than in any period within the past thousand years.
The 1982-83 and 1997-98 El Niños, among the strongest on record, may serve as warning signs of more extreme events ahead. These powerful events caused severe marine heat waves, devastating local ecosystems and economies. Corals, as nature's record keepers, preserved historical temperature data in their calcified skeletons, which provided valuable insights into the changing intensity of El Niño events.
The research indicates that modern El Niño events are more extreme than those in the pre-industrial era, reinforcing the need to monitor and understand these climate patterns to mitigate their impacts.
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