It contains a  volcanic crater with a diameter of . This cone was the source of an elongated tephra layer that extends  to the northeast, suggesting a northeasterly wind at the time of eruption. The external spatter rampart, which has also been described as a cone, is about  high and  in diameter.
It has a volcanic crater with a diameter of . This volcano was the source of an extensive tephra layer that extends  to the northeast, indicating a northeasterly wind at the time of eruption. The external spatter rampart, also known as a cone, is about  high and  in diameter.