05/19/2026
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A super El Niño killed millions of people in 1877.
Scientists are warning that a powerful El Niño is now developing in the Pacific Ocean, with some forecasting models suggesting it could become one of the strongest modern events ever recorded.
El Niño is a natural climate pattern caused by unusually warm surface waters in the central and eastern Pacific Ocean. But when strong enough, it can disrupt weather systems across the planet.
Some regions face extreme drought. Others experience catastrophic flooding. Fisheries collapse. Crops fail. Food prices rise. Entire ecosystems can shift.
To understand the danger, researchers often look back to the El Niño of 1877–1878.
That event intensified droughts across parts of Asia, Africa, and South America during a period when many societies were already vulnerable from colonial exploitation, poverty, and weak infrastructure. Historians estimate the resulting famines killed roughly 50 million people worldwide, making it one of the deadliest climate-related disasters ever documented.
Today, scientists stress that the world is far more technologically advanced than it was in the 19th century. Weather forecasting, global food networks, irrigation systems, and disaster response capabilities are vastly better.
But researchers also warn that modern climate change may amplify some El Niño impacts. Oceans are already unusually warm, and many regions are entering this event after years of heat waves, drought, and strained food systems.
That does not mean a repeat of the 1877 catastrophe is expected.
But it does mean the world is entering another major climate stress test at a time when global temperatures are already pushing records.
Learn more:
"A super El Niño wiped out millions of people in 1877. Are we better prepared now?" The Washington Post.
