Types of Volcanic Eruptions - Fill in the Blanks

Fill in the blanks in the statements below. 1. Eruptions are considered _______ when they produce lava flows exclusively.

• effusive

• explosive

• submarine

• phreatic

Fill in the blanks in the statements below. 2. _______ eruptions produce pyroclastic debris due to the sudden release of built-up pressure.

• explosive

• effusive

• quiet

• non-violent

Fill in the blanks in the statements below. 3. _______ eruptions are sustained fissure eruptions, producing curtains of basaltic lava.

• icelandic

• hawaiian

• strombolian

• vulcanian

Fill in the blanks in the statements below. 4. _______ eruptions produce low-viscosity basaltic lava flows and fountains.

• Hawaiian

• Strombolian

• Vulcanian

• Plinian

Fill in the blanks in the statements below. 5. _______ eruptions are the result of the bursting of clumps of gas bubbles at the surface.

• Stromblian

• Hawaiian

• Vulcanian

• Plinian

Fill in the blanks in the statements below. 6. _______ eruptions result from more viscous lava, which slows down bubble formation and clogs up conduits.

• vulcanian

• hawaiian

• strombolian

• icelandic

Fill in the blanks in the statements below. 7. _______ eruptions result from the extreme buildup of gases in the magma chamber and conduit.

• plinian

• hawaiian

• strombolian

• vulcanian

Fill in the blanks in the statements below. 8. _______ are purely steam-driven, caused by the expansion of water into steam when heated by a nearby magma chamber or volcanic source.

• phreatic

• strombolian

• vulcanian

• plinian

Fill in the blanks in the statements below. 9. Over time, Hawaiian eruptions produce _______ volcanoes.

• shield

• composite

• cinder cone

• caldera

Prolonged Icelandic eruptions produce _______.

• LIPs

• shield volcanoes

• calderas

• lava tubes