The National Research and Innovation Agency (BRIN) has said that the PUMMA (Inexpensive Device for Sea Level measurement or IDSL) tsunami early detection system installed around Mount Anak Krakatau is operating well.
“The …

The National Research and Innovation Agency (BRIN) has said that the PUMMA (Inexpensive Device for Sea Level measurement or IDSL) tsunami early detection system installed around Mount Anak Krakatau is operating well.
“The …