Yellowstone volcano: How seven-year USGS study showed 'abnormal' change YELLOWSTONE volcano scientists, alongside the help of the European Space Agency , found the caldera had fluctuated in height by up to 120 millimetres, unearthed reports reveal. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:T: They Survived Mass Shootings. Now They Are Living With Bullets Inside Them.NASA scientists BAFFLED by perfectly rectangular MILE-WIDE icebergAnti-ageing BREAKTHROUGH: Scientists discover way to DOUBLE lifespanScienceTake: Drifting Dandelion Seeds Produce a Vortex Never Before SeenTrilobites: Lavender’s Soothing Scent Could Be More Than Just Folk MedicineYoung People Are Suing the Trump Administration Over Climate Change. She’s Their Lawyer.