The caldera was created by a massive Phreatic eruption about 3100 years ago that generated about 5 cubic kilometers of pyroclastic flow and covered the surrounding area in volcanic ash up to 20 cm deep.
After the eruption, the area was covered by volcanic ash up to 20 cm deep. The caldera was created by a massive Phreatic eruption about 3100 years ago that generated about 5 cubic kilometers of pyroclastic flow.
The caldera was created by a massive Phreatic eruption about 3100 years ago that generated about 5 cubic kilometers of pyroclastic flow. After the eruption, the area was covered by volcanic ash up to 20 cm deep.
The caldera was created by a massive Phreatic eruption about 3100 years ago that generated about 5 cubic kilometers of pyroclastic flow. After the eruption, the area was covered by volcanic ash up to 20 cm deep.