• Volcano Web Shorts #4: Instruments

    USGS technologist Rick LaHusen describes how the development and deployment of instruments plays a crucial role in mitigating volcanic hazards.Featured image, caption and video:

  • Volcano web shorts #3: Seismology

    USGS volcano seismologist, Seth Moran, describes how seismology and seismic networks are used to mitigate volcanic hazards. One of the important parts of his job is satisfying the USGS’ mission of mitigating hazards, mitigating the effects of hazards. And so one of

  • Volcano Web Shorts #2: Debris Flows

    Debris flows are hazardous flows of rock, sediment and water that surge down mountain slopes and into adjacent valleys. Hydrologist Richard Iverson describes the nature of debris-flow research and explains how debris flow experiments are conducted at the USGS Debris

  • Volcano Web Shorts #1: Photogrammetry

    Photogrammetry is the science of making precise measurements by the use of photography. USGS geologist Angie Diefenbach describes how she uses a digital camera and computer software to understand the growth rate of lava domes during a volcanic