70Fun Fact Questions about Hawaii and the Grand Canyon Geovisualization labs - Question 1
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Dec 6, 2023
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Question 1
4 / 5 pts
Match the Big Island volcano to its fun fact.
You Answered
The largest tropical glacier today is the Coropuna Ice Cap in the
Peruvian Andes. In 20217, it sas 44 square kilometers (16.9 square
miles). This is large enough to fit 100 Vatican cities inside it 100
times. It is shrinking, but pretty slowly. In contrast the ice cap that
was on this volcano about 20,000 years ago was 70 square
kilometers.
Correct Answer
Mauna Lea
Correct!
This volcano is 120 km (75 mi) long and 50 km (31 mi) wide. Its lava
surface occupy more than 5125 square kilometers (1980 square
miles) covers more area than metropolitan Los Angeles. Its volume
of 42,500 cubic kilometers (10,2000 cu mi) makes it the largest
active volcano, even though 84.2% of this volume is below sea level.
Correct!
This volcano currently holds the record for the greatest heat output
for a volcano. Geophysical Research Letters published a 2015 paper
where U.S. and U.K. volcanologists analyzed 95 of the Earth's most
active volcanoes. They took their data from readings of thermal flux
from NASA's Terra and Aqua Earth spectroradiometers between
2000 and 2014. In that period, this volcano emitted 9.8 x 10^16
joules of thermal energy. That is enough to power New York City for
about six months.
Correct!
This volcano is the westernmost of the Island of Hawai'i. It is the
only shield volcano that is in a transition from the shield-building
stage when a Hawaiian volcano does its growth spurt through
voluminous lava flows and the post-shield stage where the nature of
Mauna Loa
Mauna Loa
Kilauea
the volcanism changes. It becomes less voluminous with thicker lava
flows and cinder cones. It started this transition about 100,000
years ago.
Correct!
This volcano is the northernmost of the Island of Hawai'i. It looks
like a typical shield volcano that has gone dormant; it last erupted
more than 65,000 years ago. However, it is missing a big chunk.
About a quarter of a million years ago, a massive avalanche broke
off from this volcano’s northeast flank. The avalanche was more
than 12 miles wide, and the avalanche debris spilled more than 80
miles out onto the ocean floor. The sheer cliffs on the windward side
is a testament to this giant collapse.
Hualalai
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