A Wikipedia article <http://en.wikipedia.org/wiki/Laki > recounts the 1783 eruption of the Laki craters in Iceland and uses the prefix tera with gram: "An estimated 122 Tg (120 million tons) of sulfur dioxide were emitted...." Tg is rare but elegant.
- [USMA:45213] Tg Patrick Moore
- [USMA:45214] Re: Tg Stan Jakuba