The second-largest eruption of the 20th century, from Mount Pinatubo in 1991, had what significant global effect?

Caused a temporary drop in global temperatures

Noticeably slowed the Earth's rotation

Created a permanent hole in the ozone layer

What is the name of the logarithmic scale used to measure the explosiveness of volcanic eruptions?

Volcanic Explosivity Index (VEI)

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01The 1883 eruption of what Indonesian volcano produced the loudest sound ever historically recorded?
02The second-largest eruption of the 20th century, from Mount Pinatubo in 1991, had what significant global effect?
03What is the name of the logarithmic scale used to measure the explosiveness of volcanic eruptions?
04The 1783 eruption of the Laki fissures in Iceland released a haze that caused thousands of deaths and widespread famine across which continent?
05The 1902 eruption of Mount Pelée on a Caribbean island wiped out the city of Saint-Pierre with a pyroclastic flow. Which island was it?
06The 1815 eruption of which volcano was so large it caused the 'Year Without a Summer' in 1816 due to global cooling?
07In what year did the widely-publicized and devastating eruption of Mount St. Helens occur in Washington, USA?
08The massive eruption of Thera (modern Santorini) around 1600 BCE is believed to have contributed to the decline of which Bronze Age civilization?
09Which volcano's eruption in 79 AD famously buried the Roman cities of Pompeii and Herculaneum?
10The largest eruption of the 20th century occurred in 1912 in Alaska, creating the Valley of Ten Thousand Smokes. What was the name of this eruption?