Steps toward a satellite-based global volcano monitoring and early warning system: From pilot to demonstrator to GVEWERS
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Abstract
The consequences of volcanic eruptions span a broad range. Large explosive eruptions that recur every several hundred to thousands of years can impact global climate, but even small eruptions of a magnitude that takes place multiple times each year someplace on Earth can have devastating effects given the large number of people who live near volcanoes. Ground-based monitoring is inadequate or lacking at many of the world’s active volcanoes, but satellite observations can fill important gaps and provide operational awareness of volcanic unrest and eruptions. The need for satellite monitoring of volcanoes has been articulated in numerous international agreements, and for some datasets, like thermal and ultraviolet imagery, daily or sub-daily monitoring has been incorporated into operational volcano surveillance. Utilization of high-resolution synthetic aperture radar (SAR) and optical datasets, however, has lagged. Since 2014, the Committee on Earth Observing Satellites (CEOS) has sponsored a series of projects designed to enhance access to, and utilization of, high-resolution SAR and optical satellite imagery for volcano monitoring. The efforts have culminated in the development of the Global Volcano Early Warning and Eruption Response from Space (GVEWERS) initiative—a global and sustainable program intended to support volcano hazards assessment and mitigation. GVEWERS builds on lessons learned from a decade of CEOS volcano projects while also providing a foundation for continuing to improve the accessibility and exploitation of satellite data for better anticipating and responding to hazardous volcanic eruptions.
Suggested Citation
Poland, M., Biggs, J., Pritchard, M.E., Bagnardi, M., Ebmeier, S.K., Wauthier, C., Eddy, A., Montuori, A., and Zoffoli, S., 2026, Steps toward a satellite-based global volcano monitoring and early warning system: From pilot to demonstrator to GVEWERS: Bulletin of Volcanology, v. 88, 74, 20 p., https://doi.org/10.1007/s00445-026-01999-1.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Steps toward a satellite-based global volcano monitoring and early warning system: From pilot to demonstrator to GVEWERS |
| Series title | Bulletin of Volcanology |
| DOI | 10.1007/s00445-026-01999-1 |
| Volume | 88 |
| Publication Date | June 23, 2026 |
| Year Published | 2026 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Volcano Science Center |
| Description | 74, 20 p. |