Think Hawaii is all about beaches and luaus? Think again. Mauna Loa, the world's largest active volcano, is a fiery beast that covers more than half of the Big Island — and it's still very much ...

November 29, 2022 Mauna Loa, the world’s largest active volcano, has started to erupt for the first time in nearly four ...

Hawaii Island is comprised of five volcanoes, Kohala, Mauna Kea, Mauna Loa, Hualalai and Kilauea — the latter three remain active today. Kohala last erupted 60,000 years ago and Mauna Kea 4,500 ...

Hawaii’s Mauna Loa Observatory just captured an ominous sign about the pace of global warming. Atmospheric levels of ...

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 ...

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 ...