ERTH 111- Human Population and Volcanoes Quiz
Study online at https://quizlet.com/_cccax8
1. The spatial location of volcanoes on the planet is Plate tectonics
primarily a function of _________________.
2. The duration and culmination data for 3211 Day, 2500 years
known eruptions indicates that the shortest erup-
tion lasts less than a ______________ and the longest
up to _________________.
3. The median eruption duration for the 3211 known Seven weeks
eruptions is about _______________.
4. According to the last 600 years of volcano re- As population has increased
porting, the number of volcanoes active per year around the world though time,
rose from 1 or 2 per year in 1400 to nearly 500 more volcanoes have been iden-
per year today. This increase is a function of tified
__________________.
5. The curve showing the number of volcanoes ac- All of the above (Normal varia-
tive per year oscillates up and down over time. tions in volcanic behavior, Over-
because of ____________________. looked eruptions due to humans
distracted by other events like
wars and famine, Extra notice
paid to eruptions after periodic
large, catastrophic eruptions)
6. The curve showing the number of eruptions per Large eruptions have always
year that had an eruptive volume greater than been consistently identified
0.1km3 does not vary with time like the curve for
all volcanic eruptions because _____________.
7. The magnitude of an eruption is Its size/volume
______________________.
1/4
Study online at https://quizlet.com/_cccax8
1. The spatial location of volcanoes on the planet is Plate tectonics
primarily a function of _________________.
2. The duration and culmination data for 3211 Day, 2500 years
known eruptions indicates that the shortest erup-
tion lasts less than a ______________ and the longest
up to _________________.
3. The median eruption duration for the 3211 known Seven weeks
eruptions is about _______________.
4. According to the last 600 years of volcano re- As population has increased
porting, the number of volcanoes active per year around the world though time,
rose from 1 or 2 per year in 1400 to nearly 500 more volcanoes have been iden-
per year today. This increase is a function of tified
__________________.
5. The curve showing the number of volcanoes ac- All of the above (Normal varia-
tive per year oscillates up and down over time. tions in volcanic behavior, Over-
because of ____________________. looked eruptions due to humans
distracted by other events like
wars and famine, Extra notice
paid to eruptions after periodic
large, catastrophic eruptions)
6. The curve showing the number of eruptions per Large eruptions have always
year that had an eruptive volume greater than been consistently identified
0.1km3 does not vary with time like the curve for
all volcanic eruptions because _____________.
7. The magnitude of an eruption is Its size/volume
______________________.
1/4
