We collected teleseismic waveforms from a digital microseismic network deployed by the Istituto Nazionale di Geofisica (ING) in collaboration with the U. S. Geological Survey (USGS). on the Alban Hills Quaternary volcano during the 1989-1990 seismic swann. https://www.chiggate.com/majirel-majicontrast-red-rouge-for-sale/