From 2004 to 2012. multiple strong earthquakes occurred in the western offshore of Indonesia and among them the Indian Ocean earthquake of M9. 3 in 2004 has been the greatest in this century in the world. Based on the time series of coordinates at 35 stations of continuous GPS observations in Indonesia and its neighborhood in the global reference frame. https://fhnqkfsh63maor.dsiblogger.com/67921099/an-approach-for-urban-agglomerations-integration-evaluation-based-on-multivariate-big-data-case-of-the-central-plains-urban-agglomeration