How old is the oldest volcano? Kauai and Niihau islands are the oldest of the eight main islands in the state of Hawaii. They were each formed about 5 million years ago. Erosion and landslides ...

Lava is molten rock from a volcano that reaches the Earth’s surface. Liquid rock below the Earth’s surface is referred to as magma. More than 50% of the world’s active volcanoes above sea ...

The Greek island has a long history of earthquakes, but what is causing the recent series of quakes has scientists perplexed.

Hawaii's Kilauea volcano began a new series of eruptions in December 2024. The world's most active volcano, located in Kilauea, Hawaii, resumed its latest eruption on Wednesday. Volcanic activity ...