31. Tim Grove, a volcanologist at Massachusetts Institute of Technology, says hotter chunks of rock move upward. 32. Virile volcanologist Harry Dalton rolls into the bucolic burg of Dante's Peak on a sunny day. 33. The " en masse " model was proposed by volcanologist Robert Stephen John Sparks in 1976. 34. Volcanologist and former Australian Army Warrant Officer, Tony Taylor, studied the volcano during the eruption cycle.35. Tuya Butte was named by Canadian volcanologist Bill Mathews in association with adjacent Tuya Lake and Butte Lake. 36. "It's really difficult to say, " Jake Lowenstern, a USGS volcanologist , said Wednesday. 37. "Nothing is enough, " said Roberto Quaas, the volcanologist in charge of monitoring Popocatepetl. 38. The volcano spewed lava 200 feet and ash clouds six miles into the air, said volcanologist Julio Sabit. 39. Besides painting volcanic landscapes, he was considered an expert volcanologist and his papers were valuable to understanding volcanos. 40. There is no information at volcanologist . ( Talk ) 05 : 25, 2 January 2006 ( UTC)
