The summit eruption began within Halema’uma’u Crater in September 2021. More facts about Mauna Loa Mauna Loa is one of five volcanoes that together make up the Big Island of Hawaii ...

This little-known fact is surfacing at the state Legislature as lawmakers wrestle over legislation that would force macadamia-nut processors of iconic brands like Mauna Loa to disclose whether ...

Using a nearly 200-year record of lava chemistry from Kīlauea and Mauna Loa on the Big Island, scientists from University of ...

There are two active volcanoes in Hawai'i Volcanoes National Park, Mauna Loa and Kilauea, but Kilauea is the real "must-see." A 4,000-foot-tall mountain, Kilauea has been active since Jan. 3 ...

Passing by a series of subterranean geological features named cave chocolate, cave bacon and cave popcorn, I start to wonder ...

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 ...

Magma is on the move around the ring of fire. Massive Mauna Loa in Hawaii is rumbling, and now molten rock movement has been detected below Mt. Edgecumbe, a long dormant volcano in Alaska.

Hawai’i Volcanoes National Park is well-known for its volcanic activity. The park is home to Kīlauea, one of the most active ...