C574 Front Line(1)

"According to the Geological Survey website, there was a magnitude 5.4 earthquake in the waters near Guam. The source of the quake was 15.2 kilometers deep. Recently, earthquakes reaching 5.7, 5.6, 5.4, and 4.9 of the Ride had been attacking the waters of Guam. The earthquake activity in the Ring of Fire region had worried many people.

Some geologists deny this. Toshiyasu Nagao