Many residents remember Mauna Loa — the largest active volcano on Earth — roaring awake after decades of slumber with a dynamic summit and Northeast Rift Zone (NERZ) eruption in late 2022. Geophysical ...

Volcano Watch” is a weekly column and volcano/earthquake activity update written by U.S. Geological Survey Hawaiian Volcano ...

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift Zone severely impacted the Ka‘u district. However, this may not have been the ...

Nov. 30—Related Photo Gallery: Mauna Loa lava flows along the northeast rift zone Mauna Loa's first eruption in nearly 40 years marked its second day Tuesday with lava continuing to march across the ...

WASHINGTON — Scientists can't know precisely when a volcano is about to erupt, but they can sometimes pick up telltale signs. That happened two years ago with the world's largest active volcano. About ...

Oct. 7—Is Mauna Loa about to blow after 38 years of silence ? A couple of weeks of elevated seismic activity and ground swelling on the mountain suggest that might be the case. Is Mauna Loa about to ...

It may be possible to forecast the next eruption of Hawai’i’s Mauna Loa – the world’s largest active volcano – more than two months in advance thanks to a new understanding of what triggers its ...

HONOLULU (AP) — Lava is shooting 100 feet to 200 feet (30 to 60 meters) into the air as Hawaii’s Mauna Loa, the world’s largest active volcano, erupts for the first time in nearly 40 years. For now, ...

A deserted beach at the edge on an old Mauna Loa lava flow is viewed on December 16, 2016, in this aerial photo taken along the Kona Kohala Coast, Hawaii. (Photo by George Rose/Getty Images) The ...

Ash and lava have begun spewing out of the Mauna Loa volcano on Hawaii's Big Island -- the largest active volcano in the world. The activity, which began Sunday around 11:30 p.m. and continued into ...