Abstract - Semeru Volcano at East Java which have about 20
minutes eruptions’ average repose time is suitable for an
integrated sensor system experiment. A design of integrated
seismic and infrasonic waves monitoring and recording system
is going to be completed. Wireless sensor network is used for
online data transmission, recording, processing, and decision
support system. At the end of the process, level or state of
volcanic activity will be sent by short message service (SMS) to public community