Advertisements
Advertisements
Question
How are earthquakes caused?
Advertisements
Solution
The surface of the earth is made up of interlocking plates of rock that float on a semi-liquid layer called the mantle. When two floating plates collide, the vibrations pass through the , earth’s surface or the crust. This makes the crust and everything on it shake uncontrollably and causes earthquake.
APPEARS IN
RELATED QUESTIONS
Match the Columns
| A | B | ||
| 1 | Drought | a | Man-made disaster |
| 2 | Hiroshima bombing | b | Chemical disaster |
| 3 | Underwater earthquakes that cause tsunamis | c | Largest oil spill disaster |
| 4 | Accidental release of toxins in the environment from factories | d | Insufficient rainfall |
| 5 | Deepwater Horizon | e | Natural disaster |
What causes floods?
What makes Bihar the most flood-prone state among all north Indian states?
On an outline map of India mark the following
- Earthquake zones with moderate damage risk and high damage risk.
- Any two flood-prone areas
- Any two cyclone zones
- Any two drought-prone areas
What is an earthquake?
What do you mean by man-made disasters?
What are the effects of spills?
Which disaster is considered to be one of the worst spills to have happened in recent times ? Elaborate.
Fill in the blanks
While most disasters happen suddenly like earthquake, nuclear explosion, others like ______ may have a slow beginning and later increase in extent and intensity.
Write true or false:
The geographical location and landscape of India expose it to earthquakes.
