News

After a 30-year repose, Mauna Loa may be slowly stirring to life. While there are no signs of impending eruption, the Hawaiian Volcano Observatory...

On the evening of August 11, 1855, Mauna Loa erupted from a location described as 1,000 to 2,000 ft below the summit of the volcano. This was the...

March marks the anniversary of the most recent eruption of Mauna Loa, which began on March 25, 1984. It also reminds us of a much more destructive...

March 25 is the 30th anniversary of the most recent eruption of Mauna Loa, Hawai‘i island's largest volcano.

Video of winter storm at the summit of Mauna Loa.

Hawai‘i ISLAND, Hawaii — Mauna Loa's eruptive history and current status are the topics of a talk by Frank Trusdell, U.S. Geological Survey Hawaiian...

Despite reports to the contrary, Mauna Loa is still the largest ACTIVE volcano on Earth. The volcano off the east coast of Japan, which made the news...

Cartography, the art or science of making maps, is alive and well at the Hawaiian Volcano Observatory (HVO).

In recognition of Volcano Awareness Month (January 2013), this column explores some of the most scientifically important eruptions to have occurred in...

A new fact sheet on Mauna Loa titled "Mauna Loa—History, Hazards, and Risk of Living With the World’s Largest Volcano" is now available. This week's...