Hayakawa's 2000-year eruption catalog
(>M3.8; 287 eruptions) as of 1996.11.24
(405 eruptions) as of 1999.6.8
* Year is in AD. J means Julian calendar.
* M is Magnitude. It is defined as M = log m - 7, where m is the mass of magma
(tephra and lava) in kg.
*Japan Meteorological Agency (1991) Volcanoes in Japan. (in Japanese)
*Simkin T, Siebert L (1994) Volcanoes of the World. Geoscience Press, Tucson AZ,
Please send your comments to:
mailing list tephra or email@example.com.
Complaints to tephra namings are welcome.