WONDER #2570: What is an Icequake?

Question 1 of 3

What was the main idea of this Wonder?

1. Icequakes are a lot like earthquakes.
2. Antarctica is a great place to live, even though it’s very cold and icy.
3. Icequakes happen when water in the ground freezes quickly, causing the ground to shake.
4. Most icequakes are strong enough to be felt by people and some are even stronger than earthquakes.

Question 2 of 3

Icequakes and earthquakes can both be measured by...

1. seismographs
2. thermometers
3. rain gauges
4. kitchen scales

Question 3 of 3

Which of these is NOT a place where icequakes are common?

1. Canada
2. Australia
3. Antarctica
4. Midwestern United States

Check your answers online at https://wonderopolis.org/index.php/wonder/What-is-an-Icequake.