Latest Volcano Eruption: Development and Impact Throughout the World The Latest Volcano Eruption that occurred in Indonesia had a significant impact both locally and globally. Currently, Mount Merapi and Mount Semeru are the main focus of researchers, volcanologists and the general public. With the alert status, this volcanic activity attracted attention, causing evacuations and intensive monitoring. An increase in seismic activity on Mount Merapi, for example, indicates a potential eruption. In the past month, more than a hundred volcanic earthquakes have been recorded, indicating the movement of magma. The Indonesian Geological Authority has issued a warning to local residents to pay attention to signs of ground movement and possible symptoms of an eruption. The impact of this eruption was not only felt locally, but also through global climate change. Gas emissions and volcanic dust particles released can cause a temporary cooling effect in the atmosphere. This volcanic ash can reach distances of thousands of kilometers and influence weather patterns. In previous large eruptions, such as Krakatoa, the impact was felt in Europe with temperature drops and climate change. Evacuating residents in dangerous zones has the potential to trigger social issues. Providing temporary shelter and food needs is a pressure on the local system in disaster areas. Health issues are also a major concern, where exposure to volcanic dust can cause respiratory problems. Data from the Health Service shows an increase in cases of respiratory diseases in the affected areas. In a tourism context, these volcanic locations are usually the main destinations. However, with increased volcanic activity, the tourism industry is under threat. Temporary closure of tourist attractions can affect local economies that depend on visitors. With the presence of more sophisticated monitoring technology, such as the use of drones to survey areas, scientists obtain more accurate data. The analysis contributes to mitigation planning, including the establishment of safe areas and evacuation routes. The role of communication is also very important. The government digitizes warning information to ensure the public gets accurate and immediate information. On social media, developments in the situation were quickly disseminated. This helps the public to remain alert and comply with official guidance. On the other hand, issues related to climate change are increasingly emerging. Some scientists argue that volcanic activity may contribute to long-term global warming. The greenhouse gases released can affect the composition of the atmosphere. In a global context, many countries monitor volcanic activity in Indonesia seriously. International research collaboration is increasingly strengthening scientific collaboration and data sharing. It is hoped that the resulting knowledge can improve preparedness in facing similar disasters in the future. Facing this situation requires synergy between government, society and international institutions. Cohesive management will be the key to reducing the negative impacts of volcanic eruptions. Attention to aspects of public safety and health must remain a priority, while maintaining economic sustainability in affected areas. The world community must remain alert to the impact of volcanic activity that is occurring. Initiatives to increase awareness and education about volcanoes are very important. In this way, we can be better prepared to face the challenges posed by this natural phenomenon.