The volcano is situated in the Southern Kamchatka volcanic belt in the series of volcanoes closest to the ocean.

Ksudach is a large lake-filled 18x22 km caldera with the young Stubel cone in the northern part.

Hazards include phreatic explosions, ash clouds, ash falls, pyroclastic flows and surges, floods and lahars (especially in the Teplaya River that drains the volcano to the north).

Ash falls possible at:

Ozernovskiy (80 km to the southwest from the volcano)
Pauzhetka (60 km to the southwest)
Petropavlovsk-Kamchatsky (150 km to the northeast)

satellite