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last_eruption_year: the
column is numeric (negative values are BCE years) with
NA for volcanoes with only undated activity — not character
with “Unknown” as previously documented.volcanoes,
eruptions, and events — built from the
Smithsonian Institution Global Volcanism Program’s Volcanoes of the
World database (snapshot 2026-05-03), following the schema
popularized by the rfordatascience/tidytuesday 2020-05-12
release.data-raw/build.R rebuilds the snapshot against the
current GVP release; volcanoes and eruptions
come from the GVP WFS endpoint, events is scraped from
per-volcano pages with a local cache.These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.