The known sequence of Maunaloa’s 1868 events began with an eruptive phase beginning at about dawn March 27 at the summit, lasting a couple of hours. Seismicity escalated thereafter, with Kaʻū ...

Alaska’s Mount Spurr volcano continues to show signs of unrest, and that has led to an alert level increase in the city of ...

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 ...

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift ...

The eruption lasted 29 hours between 9:26 a.m. Hawaiian time Wednesday through 1:49 p.m. Thursday, according to the U.S. Geological Survey. During the last eight hours, fountains shot up to 600 feet ...

Hawaii’s most active volcano has resumed erupting after a weeklong pause, sending fountains of lava hundreds of feet into the sky. The U.S. Geological Survey says lava fountain heights reached 700 ...

From possible impacts to how to prepare, we dive into what we know so far about Anchorage’s closest active volcano and how to ...

A volcanologist who captured video of the 1992 eruption of Mount Spurr from a plane recounts what he saw and what to expect ...

Magnitude-3.4 at 12:46 a.m. March 11 at 10 miles southeast of Pāhala and depth of 20 miles. Magnitude-3.4 at 4:08 p.m. March ...

Consider a can of soda. When the can is closed (pressurized), the soda contains dissolved carbon dioxide (CO2). When you open ...