Concerns about the state of the volcano mountain in Indonesia that have been active and inactive mountain began to be improved. Starting from the increased activity of Mount Merapi in central Java to Merapi volcano eruption, the National Center for Volcanology, Mitigation and Geology or Badan Pusat Vulkanologi, Migitasi dan Geologi (PVMG) started to seriously observe the activities of Mount Semeru.
Officers volcanologi East Java at all times continue to monitor the progress of the activities of Mount Semeru. This is done because it has been recorded several times semeru mountain activities that became active again, even the status of Mount Semeru is starting to set the status of "caution".
It is also conveyed by the Central Bureau of Volcanology, Mitigation and Geology or Badan Pusat Vulkanologi, Migitasi dan Geologi (PVMG) Bandung, after making observations and research since December 29, 2009 and then turned the lava dome mountain semeru continuously expanding, this is because the result of magma coming out of the belly of the mountain semeru accumulate. They recorded at least a day there are about 40 earthquake tremors that happen so it is not too dangerous.
Regarding the status of
Mount Semeru, residents are encouraged to always remain cautious, especially residents, a distance of four kilometers from the Top Mount Semeru. Regional Disaster Management Agency Java or Badan Penanggulangan Bencana Daerah BPBD incentive to disseminate security up to the residents in the vicinity of Mount Semeru and simulation means to evacuate themselves when disaster strikes. Whereas, the eruption of Merapi in Yogyakarta and Central Java caused dozens of deaths
