 As with many volcanoes in the region, Bravo's eruptions are often characterized by a central vent (caldera) eruption, followed by an explosive eruption and pyroclastic flows.However, it is unique in the fact that its eruption have also produced lava domes in its caldera.Such eruptions occurred in 1720 ± 150 years, 1050 ± 75 years, and 750 AD ± 150 years (through radiocarbon dating).