Scientists identify the main source that could fuel Iceland’s hotbed of volcanic activity

Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific developments and more.

After 800 years of dormancy, volcanoes have awakened on Iceland's Reykjanes Peninsula, about 56 kilometers south of the capital Reykjavik.

Since 2021, a series of eruptions have disrupted daily life in the densely populated area, leading to evacuations, power outages and damage to infrastructure. Fears have also been raised about an event such as the eruption of Eyjafjallajökull, a large volcano about 50 miles (80.5 kilometers) southwest that caused an international travel crisis in April 2010.

While there is no ...