Using a nearly 200-year record of lava chemistry from Kīlauea and Mauna Loa on the Big Island, scientists from University of Hawaiʻi at Mānoa and their colleagues revealed that Hawaiʻi’s two most ...

This park preserves the natural setting of two active volcanoes: Kīlauea, one of the most active in the world, and Mauna Loa, one of the largest in the world. Visitors can hike across the floor of a ...

The level of carbon dioxide in the atmosphere measured by a weather station at the Mauna Loa Observatory in Hawaii increased by 3.58 parts per million in 2024 – the biggest jump since records ...

Nearby Mauna Loa also frequently sees snow ... are greater than what New York City, Philadelphia, Salt Lake City, Omaha, Nebraska, and Sioux Falls, South Dakota have seen since fall. This upside-down ...