original: This volcano is well known for its ash explosions and pyroclastic flows.
simplifications: The volcano is known for ash explosions and pyroclastic flows. This volcano is known for its explosions and volcanic matter flows. The volcano is notorious for its ash explosions. This volcano is known for ash explosions and pyroclastic flows. This volcano is famous for its ash explosions and pyroclastic flows. This volcano is famous for ash explosions and pyroclastic flows. The volcano is well known for its explosions of ash and other matter. This volcano is well known for its eruptions and quick flows. This volcano is well known for its ash explosions and pyroclastic flows. This volcano is usually known for its ash explosions and pyroclastic flows.