Global Volcanic Ash Advisory
GET
/volcano/vaac/geojson
Get the latest volcanic ash forecast data released by the Volcanic Ash Advisory Centers (VAAC) in GeoJSON format.
By utilizing this system, it will be possible to collect the latest volcanic ash information from around the world in a single place, without being limited to specific volcanoes or regions.
This data includes all the latest info available from VAACs around the world.
Update timing(UTC)
Updates are irregular.
Data will be added as each VAAC releases new volcanic ash information (SIGMET, VAA, etc.).
- It is not updated at a fixed time every hour.
Responses
ALL VAAC GeoJSON Data
application/json
JSON
{
"list": [
{
"BaseTime": "202508010256",
"ForecastTime": "202508011456",
"URL": "https://example.com/contents/volcano/vaac/faa/geojson/VAAC_WASHINGTON_FAA_202508010256_VALID202508011456.json?Expires=1753855923&Signature=...&Key-Pair-Id=..."
}
]
}