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Forecast Seamount | John Seach
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.
Further reading
Gamo, Toshitaka, et al. "Discovery of a new hydrothermal venting site in the southernmost Mariana Arc: Al-rich hydrothermal plumes and white smoker activity associated with biogenic methane." Geochemical Journal 38.6 (2004): 527-534.
Forecast Seamount Eruptions
Hydrothermal activity occurs at the volcano.