#Tephra
Live, measured metrics for the hashtag #Tephra from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #tephra
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · fosstodon.org (Mastodon public tags API) · fetched 2026-09-20 14:13 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · fosstodon.org (Mastodon public search API) · fetched 2026-09-20 14:13 UTCLive pulse
measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-09-20 14:13 UTCEverything below is measured over the latest 12 public posts (spanning ~33140 hours).
Posting hours (UTC) — busiest: 05:00
Languages: English (10) · German (2)
Avg boosts / post: 2.7
Top of the latest posts
Differential weathering of volcanic tuff at The Pinnacles area at Crater Lake. Mazama Ash deposits hundreds of meters in thickness have slightly different secondary mineralization and some have cap stones atop the spires that stand in relie
Late Quaternary Variations in the Level of Paleo-Lake Malheur, Eastern Oregon -- https://doi.org/10.1006/qres.1998.2005 <-- shared paper -- https://www.oregonencyclopedia.org/articles/pleistocene-pluvial-lakes/ <-- shared technical article,
Dispersal index (Volcanology 🌋) Dispersal index is a parameter in volcanology. The dispersal index D {\displaystyle D} was defined by George P. L. Walker in 1973 as the surface area covered by an ash or tephra fall, where the thickness is
What “tephra” means
Wiktionary · Wikipediatephra/ˈtɛ.fɹə/
- nounThe solid material thrown into the air by a volcanic eruption that settles on the surrounding areas.
Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size, or emplacement mechanism.
“Tephra” on Wikipedia (CC BY-SA) →#tephra across platforms
every network with a public tag surfaceFollow #tephra straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/tephra