TY - RPRT TI - Pre-eruptive outgassing and pressurization, and post-fragmentation bubble nucleation, recorded by vesicles in breadcrust bombs from vulcanian activity at Guagua Pichincha Volcano, Ecuador AU - Mathieu Colombier AU - Michael Manga AU - Heather M. Wright AU - Benjamin Bernard AU - Rebecca deGraffenried AU - Francisco Caceres AU - Pablo Samaniego AU - Jeremie Vasseur AU - K Jakata AU - Paul Cook AU - Donald B. Dingwell PY - 2023 DO - 10.1029/2023jb026775 UR - https://pubs.usgs.gov/publication/70259736 ID - 70259736 ER -