Maui, Hawaii
20.92 N, 156.58 W
summit elevation 1780 m
Shield volcano
Previously the volcano was dormant for 500,000 years and then reactivated.
Further reading
Sherrod, D.R., Murai, T. and Tagami, T., 2007. New K–Ar ages for calculating end-of-shield extrusion rates at West Maui volcano, Hawaiian island chain. Bulletin of volcanology, 69(6), pp.627-642.
Gaffney, Amy M., et al. "Oxygen–osmium isotope systematics of West Maui lavas: a record of shallow-level magmatic processes." Earth and Planetary Science Letters 239.1-2 (2005): 122-139.
Gaffney, A.M., Nelson, B.K. and Blichert-Toft, J., 2004. Geochemical constraints on the role of oceanic lithosphere in intra-volcano heterogeneity at West Maui, Hawaii. Journal of Petrology, 45(8), pp.1663-1687.
385,000 years ago.