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English

Geologist Don Swanson and others placed reflectors on and around the growing lava domes, and, on May 1, 1980, established the Coldwater I and II observation posts to use laser ranging to measure how the distances to these reflectors changed over time as the domes deformed.

Chinese

地质学家唐·斯旺森(Don Swanson)等人在不断膨胀的火山穹丘上及周围放置反射器,再于1980年5月1日建立科德沃特一号和二号观测站,在此用激光测距仪测量各反射器之间的距离会因穹丘变形而发生何种变化。