🧊 This footage from U.S. Geological Survey (USGS) shows the Mendenhall Glacier in Alaska forming a natural ice dam. As meltwater builds up and suddenly releases, it triggers a glacial lake outburst flood (GLOF). For three years in a row, Juneau (Alaska) has faced unprecedented August flooding linked to this process. In 2024, record-breaking floods impacted more than 300 homes.🌊 The story of the Mendenhall Glacier is not unique. Around the world, rising temperatures are making cryosphere-relate

USGS Climate on Instagram: "Scientists with the USGS Benchmark Glacier project make regular field excursions to capture seasonal and year-to-year changes in glaciers. Photos from Kahiltna Glacier, AK and South Cascade Glacier, WA."

USGS Volcanoes on Instagram: "🌋Volcano monitoring at the USGS Hawaiian Volcano Observatory (HVO) is a family affair. Even in their homes, HVO staff closely watch the 24/7 livestream cameras, along with multiple other data streams, including gas, tilt, and seismic sensors. Sometimes, they have the help of a dedicated pet. Here “The Colonel” communicates that spattering is occurring in the north vent. His human geologist recorded the observation and relayed the message on. Indeed, glow was observ