Lahar Detection
Lahar Detection
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Monitoring Cascade Volcanoes
Active volcanoes are complex natural systems, and understanding a volcano's behaviors requires the attention of specialists from many science disciplines. It demands a combination of current knowledge about magma systems, tectonic plate motion, volcano deformation, earthquakes, gases, chemistry, volcano histories, processes, and hazards.
Lahars – The Most Threatening Volcanic Hazard in the Cascades
Lahars, along with debris flows and debris avalanches, are masses of rock, mud and water that travel rapidly downslope and downstream under the action of gravity.
Automated Lahar Detection Systems
The Cascades Volcano Observatory uses Acoustic Flow Monitors (AFMs) to detect lahars originating on Cascades volcanoes.