News

Halema‘uma‘u Crater continues to subside and enlarge
 

For more than six months, earthquakes at Mauna Loa have diminished and deformation has slowed, indicating that the volcano is no longer at an elevated...

Halema‘uma‘u Crater continues to subside and enlarge
 

Today's update for June 21st, 2018 will be the last of the daily updates on this USGS feature story.  We encourage you to keep checking the USGS...

Geologists at work monitoring Kīlauea's Lower East Rift Zone eruption
 

Satellite radar shows continued slumping of Halema‘uma‘u rim

Kīlauea Volcano's lower East Rift Zone

The Yellowstone Volcano Observatory (YVO) is aptly named – the consortium of 8 organizations collaborates to study and monitor the active geologic...

Kīlauea Volcano's lower East Rift Zone

When volcanic gases are released into the atmosphere, resulting plumes sometimes appear to have a faint color. Is this color indicative of a certain...