This hazard zone is based on explosive eruptions from vents located along the chain in the past 10,000 years that are known to have ejected <1 km3 (0.25 mi3) of magma and generated pyroclastic flows or surges.
This hazard zone is based on explosive eruptions from vents located along the chain in the past 10,000 years that are known to have ejected <1 km3 (0.25 mi3) of magma and generated pyroclastic flows or surges.