Question 1

Which scientist is credited with first proposing the theory of continental drift in 1912?

Accepted Answer

Alfred Wegener

Question 2

The 1883 eruption of which volcano was one of the loudest sounds ever recorded in history?

Accepted Answer

Krakatoa

Question 3

In 1960, which vessel achieved the record for the deepest manned descent into the Mariana Trench?

Accepted Answer

Trieste

Question 4

What is the name of the supercontinent that existed approximately 335 to 175 million years ago?

Accepted Answer

Pangaea

Question 5

Who developed the scale used to measure the magnitude of earthquakes in 1935?

Accepted Answer

Charles Richter

Question 6

The 'Year Without a Summer' in 1816, caused by a major volcanic eruption, occurred after the explosion of which volcano?

Accepted Answer

Mount Tambora

Question 7

In 1963, the publication of a paper by Vine and Matthews provided key evidence for what geological process?

Accepted Answer

Seafloor spreading

Question 8

Which explorer led the 1872 Challenger expedition, the first global marine research cruise?

Accepted Answer

Charles Wyville Thomson

Question 9

The discovery of the Earth's inner core is attributed to which Danish seismologist in 1936?

Accepted Answer

Inge Lehmann

Question 10

Which classification system for climate types was first published in 1884?

Accepted Answer

Köppen climate classification

Question 11

What event in 1902 destroyed the city of Saint-Pierre on the island of Martinique?

Accepted Answer

Pyroclastic flow

Question 12

The ozone hole over Antarctica was first identified by scientists from the British Antarctic Survey in which decade?

Accepted Answer

1980s

Question 13

In 1785, who published 'Theory of the Earth', establishing the foundations of modern geology?

Accepted Answer

James Hutton

Question 14

The Great Flood of the Mississippi River occurred in which year, causing widespread devastation across the US?

Accepted Answer

1927

Question 15

What was the first artificial satellite to capture a full image of the Earth, launched in 1957?

Accepted Answer

Sputnik 1

Question 16

The concept of the 'Mohorovičić discontinuity' refers to the boundary between which two layers of the Earth?

Accepted Answer

Crust and mantle

Question 17

Which mineral property was systematically categorized by Friedrich Mohs in 1812?

Accepted Answer

Hardness

Question 18

In 1953, who first mapped the mid-ocean ridge system, revealing the 'Great Global Rift'?

Accepted Answer

Marie Tharp

Historical Milestones in Earth Science

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