Archived Reports - supplied by the Smithsonian Institution's Global Volcanism Network

Global Volcanism Network Bulletin v. 19, no. 10, October 1994 SO2 flux increases since May; increase in number of seismic events

Global Volcanism Network Bulletin v. 19, no. 11, November 1994 Small eruption on 21 December ends decades-long slumber

Global Volcanism Network Bulletin v. 19, no. 12, December 1994 Gas and visual observations following the small 21 December eruption

Global Volcanism Network Bulletin v. 20, no. 1, January 1995 Ash plumes observed in mid-February

Global Volcanism Network Bulletin v. 20, no. 2, February 1995 Small ash cone observed in summit crater; plume rises 3 km

Global Volcanism Network Bulletin v. 20, no. 3, March 1995 Popocatepetl (Mexico) Ash plumes; two SO2-flux measurements from January (1-4 kilotons/day)

Global Volcanism Network Bulletin v. 20, no. 4, April 1995 Popocatepetl (Mexico) Located seismic events and summit crater observations

Global Volcanism Network Bulletin v. 21, no. 1, January 1996 Popocatepetl (Mexico) High steam column and variable fumarolic activity