For decades, scientists believed that magma chambers beneath volcanoes were transient, forming before an eruption and then dissipating as the volcano quieted. However, new research suggests that large ...
Loki Patera is 202 kilometres (126 mi) in diameter, covers 20,000 sq km (7,700 sq mi), and was the largest volcanic feature found on Io until these new observations revealed the hot spot in the south ...