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| Interagency Volcanic Event Notification Plan | |
|---|---|
| Name | Interagency Volcanic Event Notification Plan |
| Abbreviation | IVENP |
| Formation | 20th century |
| Type | Interagency coordination plan |
| Headquarters | United States |
| Region served | United States and territories |
Interagency Volcanic Event Notification Plan. The Interagency Volcanic Event Notification Plan is an interagency coordination framework designed to standardize notification, alerting, and response for volcanic events affecting aviation, civil authorities, and communities. It links scientific monitoring from observatories with operational response by agencies responsible for aviation safety, emergency management, and public infrastructure.
The plan establishes protocols among federal and territorial entities including United States Geological Survey, National Oceanic and Atmospheric Administration, Federal Aviation Administration, Federal Emergency Management Agency, and territorial observatories such as the Alaska Volcano Observatory, Hawaiian Volcano Observatory, and Cascades Volcano Observatory. It aligns operational products with international systems like the International Civil Aviation Organization and scientific assessments from institutions such as Smithsonian Institution's Global Volcanism Program, University of Washington, and state agencies like the California Geological Survey. The plan integrates lessons from historical events including Mount St. Helens eruption (1980), Eyjafjallajökull eruption (2010), and Mount Pinatubo eruption (1991) to harmonize alerting across jurisdictions.
The stated purpose is to ensure timely notification of volcanic unrest and eruptions to stakeholders including Department of Transportation, Department of the Interior, National Aeronautics and Space Administration, United States Coast Guard, and territorial governments such as the State of Alaska and State of Hawaii. Scope covers volcanic hazards—ashfall, lahars, pyroclastic flows, and volcanic gas—that impact aviation routes, maritime navigation, critical infrastructure, and public health, informed by monitoring from USGS Volcano Hazards Program and research from universities such as University of Hawaii at Manoa and University of Alaska Fairbanks.
Primary operational participants include United States Geological Survey as scientific authority, National Oceanic and Atmospheric Administration for meteorological and ash dispersion modeling, Federal Aviation Administration for Notices to Air Missions and air traffic management, and Federal Emergency Management Agency for federal response coordination. Supporting roles involve Department of Defense logistics, National Weather Service forecasts, Centers for Disease Control and Prevention public health guidance, and local emergency management agencies such as county offices in Washington (state), Alaska, and Hawaii. Academic partners include California Institute of Technology and University of Cambridge researchers who contribute modeling and retrospective analysis.
Triggers derive from monitoring thresholds defined by observatories like Alaska Volcano Observatory and Hawaiian Volcano Observatory, including seismicity spikes, ground deformation detected by InSAR, and satellite thermal anomalies from programs like MODIS and Sentinel. Alert levels are mapped to aviation color codes used by International Civil Aviation Organization and operational notices such as Notice to Airmen and advisories issued by Volcanic Ash Advisory Centers including London Volcanic Ash Advisory Centre and Washington Volcanic Ash Advisory Center. Historical triggers reference patterns observed during events such as Laki eruption (1783) and Soufrière Hills eruption.
The plan prescribes use of secure and public channels including interagency teleconferences, formal situation reports, the National Incident Management System framework, and aviation messaging systems governed by Federal Aviation Administration and International Civil Aviation Organization. It leverages satellite communications such as GOES telemetry, social media coordination with platforms engaged by National Weather Service, and coordination centers like the FEMA National Response Coordination Center. Communications align products to media outlets and community alerting systems used by jurisdictions including Anchorage, Alaska and Honolulu, Hawaii.
Decision procedures use scientific assessments from United States Geological Survey observatories, consensus-based coordination through interagency working groups referenced in Presidential directives such as Homeland Security Presidential Directive frameworks, and operational authority of agencies like Federal Aviation Administration for airspace restrictions. Coordination includes activation of emergency support functions under National Response Framework and liaison roles between scientific agencies and operational responders such as state governors and territorial authorities.
Implementation requires interagency memoranda of understanding between entities like USGS and FAA, joint training involving FEMA's Emergency Management Institute, and tabletop and full-scale exercises modeled on past operations such as responses to Mount Redoubt eruption (2009) and Eyjafjallajökull eruption (2010). Exercises include participation from international partners such as ICAO member states and regional agencies like the Pacific Tsunami Warning Center to validate cross-border notification and ash transport modeling.
Legal basis and funding derive from statutes and appropriations involving United States Congress, budgetary authorities in the Department of the Interior, and policy instruments such as the Stafford Act and directives under Presidential Policy Directive series that shape federal roles. Policy guidance coordinates agency responsibilities under interagency agreements, appropriations from congressional committees like the House Committee on Appropriations, and compliance with international obligations through International Civil Aviation Organization standards.
Category:Volcanology Category:Emergency management in the United States