The deep spot was discovered through a detailed sonar survey of the seafloor around Guam; in the same research mission, scientists found previously undiscovered faults, landslides, and mud volcanoes.
The deep spot was discovered through a detailed sonar survey of the seafloor around Guam; it was first discovered in 1997 and confirmed in 2001. In the same research mission, scientists found previously undiscovered faults, landslides, and mud volcanoes.