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It is a shield volcano so it has quiet lava flows.
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Yes, there was a significant lava flow during the eruption of Mount St. Helens in 1980. The eruption caused the collapse of the volcano's summit, leading to a massive explosion and the release of a pyroclastic flow. This flow melted the ice and snow on the volcano, mixing with ash and rock fragments to create a fast-moving lava flow known as a lahar.
No. Mauna Loa is a shield volcano. It produces lava flows during its eruption but would almost never produce pyroclastic flows.
Neither. It is a volcano that famously erupted in 2010. The eruption produced pyroclastic flows.
magma flows up to form the eruption
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They are pyroclastic flows.
It is a shield volcano so it has quiet lava flows.
quiet nonexplosive eruptionsquiet nonexplosive eruptionsquiet nonexplosive eruptions
It's a composite volcano (also known as stratovolcano), which means that it has a big eruption followed by small lava flows. A composite volcano is the deadliest type of volcano and is also the biggest kind.
Yes, there was a significant lava flow during the eruption of Mount St. Helens in 1980. The eruption caused the collapse of the volcano's summit, leading to a massive explosion and the release of a pyroclastic flow. This flow melted the ice and snow on the volcano, mixing with ash and rock fragments to create a fast-moving lava flow known as a lahar.
The 1980 eruption of Mount St. Helens did not produce lava flows. It was a plinian eruption that produced aolumn of ash and pyroclastic flows. Pyroclastic flows are avalanche-like masses of hot ash, rock, and gas that rase away from an erupting volcano at speeds that can reachinto the hundreds of miles per hour.
No. Mauna Loa is a shield volcano. It produces lava flows during its eruption but would almost never produce pyroclastic flows.
Several factors can cause pyroclastic flows. Fountain collapse of a volcano's eruption column structure, and gravitational collapse may cause pyroclastic flows.
False. The greatest hazard comes from pyroclastic flows.