This USGS Volcano Hazards site features the Long Valley Observatory in California. Links to volcanic data, an image gallery and other resources are also included.
Subject: Geoscience:Geology:Igneous and Metamorphic Petrology:Volcanology Resource Type: Datasets and Tools:Datasets, Audio/Visual:Images/Illustrations Topics: Solid Earth:Petrology:Volcanology Data Source: Real-Time Data, Observational Data Data Derived: Data Derived
