Restful or restless? How we recognize volcanic ‘unrest’

All’s quiet on the volcano front in California for the New Year. But what does it mean when we say a volcano is ‘quiet’ or at ‘background levels of activity’ versus experiencing ‘unrest’?

All’s quiet on the volcano front in California for the New Year. But what does it mean when we say a volcano is ‘quiet’ or at ‘background levels of activity’ versus experiencing ‘unrest’? Read More