Mauna Loa, the world's largest active volcano, is the mighty giant of Hawaii that's still bubbling away, waiting to be explored.

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

As Kilauea erupts a 330-foot-tall fountain of lava, officials warn of hazards from volcanic gas that may affect nearby ...

Mauna Loa is not erupting. Its USGS Volcano Alert Level is at NORMAL. Three earthquakes were reported felt in the Hawaiian Islands during the past week: a M2.3 earthquake 11 km (6 mi) ENE of ...

All internet in the building that hosts the Mauna Loa, Hawaii, observatory’s data as well as several other sites was shut off. Anyone trying to reach the site online found their request denied.

A winter storm will bring severe weather across Hawaii beginning on Thursday, with impacts expected until Saturday morning.

A Kona storm is pushing through Hawaii this week, bringing the threat of heavy rain, flooding and yes, even snow.

scientists say Sara Hashemi Daily Correspondent The Mauna Loa Observatory in Hawaii recorded the highest annual jump in atmospheric carbon dioxide levels since its records began in 1958.

Shutterstock Hike Through a Volcanic Landscape Hawaiʻi Volcanoes National Park opened on August 1, 1916, on the Big Island of ...

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 ...