Madang Province, Papua New Guinea
3.994 S, 144.963 E
summit elevation 240 m
stratovolcano
Boisa is located close to Manam volcano, offshore from Bogia on the Madang coast. It is really a vent of Manam rather than a distinct volcano.
Boisa Volcano - John Seach
Further reading
Gust, D.A. and Johnson, R.W., 1981. Amphibole-bearing inclusions from Boisa Island, Papua New Guinea: evaluation of the role of fractional crystallization in an andesitic volcano. The Journal of Geology, 89(2), pp.219-232.
Possible Holocene eruptions of Boisa volcano.