Events at Mauna Loa’s summit leading up to and during the rift zone eruption are not well understood. In this period of the 19th century, visits to the summit region were rare, ...

The Mauna Loa summit at Hawaii Volcanoes National Park is closed until further notice due to the volcano "experiencing heightened unrest," according to an advisory posted by the Hawaiian Volcano ...

The greenhouse effect was discovered more than 150 years ago and the first scientific paper linking carbon dioxide levels in ...

Elevated seismic activity has caused Hawai’i Volcanoes National Park to close the Mauna Loa summit backcountry until further notice, the park announced this week. Covering half of the Island of ...

The eruption began in Moku’āweoweo, the summit caldera of Mauna Loa, on Sunday at approximately 11:30 p.m. HST, according to the Hawaii Volcano Observatory.

The Mauna Loa summit remains closed as 65 earthquakes have hit the huge volcano in one day. In the past 24 hours prior to Wednesday morning local time, the Hawaiian Volcano Observatory detected 65 ...

Hawaii’s Mauna Loa, the largest active volcano on Earth, has erupted for the first time in nearly four decades. According to the National Weather Service (NWS), the eruption on the state’s Big ...

Hawaii's Mauna Loa volcano, background, towers over the summit crater of Kilauea volcano in Hawaii Volcanoes National Park on the Big Island on April 25, 2019.

The Mauna Loa summit at Hawaii Volcanoes National Park is closed until further notice due to the volcano "experiencing heightened unrest," according to an advisory posted by the Hawaiian Volcano ...

The National Park Service said Wednesday that the Mauna Loa summit backcountry in Hawai‘i Volcanoes National Park would be closed due to “elevated seismic activity.” The closure, which is in ...