Scientists uncover giant structures linked to ancient eruptions

Two massive structures beneath Earth's surface may have contributed to cataclysmic volcanic eruptions.

Giant blobs beneath Earth linked to ancient volcanic destruction

Researchers have identified two enormous structures, called blobs, beneath the Earth's surface. These blobs, each the size of a continent, are found under the African and Pacific regions. They are believed to play a role in violent volcanic eruptions that followed the dinosaur extinction event, alongside an asteroid impact. The blobs, known as big lower-mantle basal structures, influence volcanic activity by generating mantle plumes that cause massive eruptions. A new study utilized various datasets to show that these plumes are tied to historical volcanic events, suggesting that understanding these features could help predict future eruptions.

This discovery highlights an intricate connection between deep Earth dynamics and surface volcanic activity. The ongoing mystery of whether these blobs are stationary or mobile adds an exciting layer to geological research. Understanding the role of these deep structures not only illuminates the history of our planet but also aids in assessing future volcanic risks. As Cucchiaro mentions, unraveling these mysteries is crucial for both scientific advancement and public safety.

Highlights

Further research may clarify the movement and impact of these geological features.