for natural disasters class

2. What disaster is the vibration of Earth
produced by the rapid release of energy?

3. What disaster is a mound of material that is extruded to
the Earth's surface from a vent that is connected to a
magma chamber via a feeder conduit?

4. What disaster is triggered by an earthquake; it
occurs where a slab of the ocean floor is
displaced vertically along a fault?

5. What disaster is a mass of snow, ice, and
rocks falling rapidly down a mountainside?

6. What type of magma has the
highest temperature?
Andesitic
Basaltic
Lava
Rhyolitic
The fresh stuff

7. Foreshocks are small earthquake that
follow the main quake
Aftershocks follow,
Foreshocks precede

8. Which earthquake scale measures intensity
by describing the damage?

9. A volcano on a divergent boundary with
andesitic magma will explode.
Shield volcanoes form on
divergent boundaries

10. The name for what the top side of a
volcano after an eruption

11. Match the pyroclastic material
with its definition
1. Lapilli A. Hard fragments
2. Tephra B. Smallest tephra
3. Ash C. Little stones
4. Bombs D. Material ejected from volcanoes
5. Blocks E. Partially melted fragments

12. Volcanoes are found…
Parallel to oceanic trenches
Along ocean ridges
Over hot spots originating from the mantle
All of the above
None of the above

13. How do we prevent large avalanches?

14. What is the name of this scale?

15. What are avalanches caused by?

16. What are some ways humans cause
avalanches?
Bombs/explosives
Pressure from skiers
Pressure from snow
Strategically placed missiles
All of the above

17. How are earthquakes predicted?

18. What type of waves help protect against
earthquakes?

19. Why do P waves help protect against
earthquakes?

20. If you feel an earthquake and live near
water you should:
It is not safe to be in a building
during an earthquake, and it is
better to be on high ground
incase there is a tsunami.

21. Explosive volcanoes have:

22. How do you find the magnitude of an
earthquake?