Scientists can’t know precisely when a volcano is about to erupt, but they can sometimes pick up telltale signs. That ...

The first geologic maps were uniform in size and ... Future intrusive episodes and eruptions could occur with continued magma ...

Mauna Loa first erupted Sunday around midnight, after several months of seismic unrest that put the island on alert for potential imminent eruption. The volcano last erupted in 1984, when lava flow ...

On the first day of the August 1968 eruption ... and SO2 emissions were not detected at downwind of the eruption site on Monday, September 23. Mauna Loa is not erupting. Its USGS Volcano Alert ...

This section of historic Mauna Loa Road (not to be confused with Mauna Loa Observatory Road off Daniel K. Inouye Highway) was ...

On the first day of the August 1968 eruption ... and SO2 emissions were not detected at downwind of the eruption site on Monday, September 23. Mauna Loa is not erupting. Its USGS Volcano Alert Level ...

On the first day of the August 1968 eruption ... Sulfur dioxide emissions were not detected downwind of the eruption site Sept. 23. Mauna Loa is not erupting. Its U.S. Geological Survey Volcano ...

Established in 1872, Yellowstone is the first national park ... places to see the two most active volcanoes in the world, ...

An analysis of crystals in lava from the 2022 eruption of Mauna Loa has revealed an unknown magma reservoir within the ...

Mauna Loa is the world's largest active volcano when measured from the ocean floor to its peak, and scientists have warned that it is due to erupt. Situated in Hawaii, Mauna Loa is one of Earth's ...

About two months before Mauna Loa spewed rivers of glowing orange molten lava, geologists detected small earthquakes nearby ...

Over the past century, technological advancements have vastly improved volcano monitoring. One key innovation was the ...