Arrangement of the observing point of the earthquake which
is observing by exchange of data with other organizations is shown.<Red>:
Shimabara Earthquake and Volcano Observatory (this observatory),
<Yellow>: Nansei-Toko Observatory for Earthquake and Volcanoes,Kagoshima
University, <Purple>: Earthquake Research Institute,the
University of Tokyo,<Blue>: Earthquake Observatory, Kochi
University,<Green>: Meteorological Agency.