The purpose of this assignment wa to provvide support to the seissmic program at the Merapi Vulcano Observatory (MVO) of the Vulcanological Survey of Indonesia (VSI). Instrument maintenance and data analysis support were provided for by Bruce Furukawa and Bob Koyanagi between 13 to 24 May; additional assistance in instrument maintenance was provi MVO ed by Furukawa from 25cMay to 9June. Logisti…