Forecast Seamount - John Seach

john

Mariana Islands

13.40 N, 143.92 E
summit elevation -1400 m (approx)
Submarine volcano

Forecast Seamount is located 70 km west of Guam. The volcano emits hydrothermal fluid at 200 deg C. This is the highest measured vent temperature at a submarine volcano in the mariana arc. Submarine species identified here are different to locations further north.

Forecast Seamount Eruptions

Hydrothermal activity occurs at the volcano.