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प्रश्न
What was the cause of the Koyna earthquake in India?
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उत्तर
Koyna Dam is located in Maharashtra on the Deccan plateau. This part was considered a stable block free from earthquakes. But the Koyna earthquake in 1986 was a big surprise. In the reservoir of the dam water gathered was more than its capacity. It disturbed the local isostatic balance. It caused an earthquake and caused cracks in the rocks. It may be called a man-made earthquake.
संबंधित प्रश्न
Fill in the blank:
___________ are the first earthquake waves to be recorded on a seismograph of an earthquake.
Fill in the blank:
The giant sea waves caused by earthquakes in the oceans are called ___________.
State two natural causes of an earthquake.
Describe how earthquakes are caused on the surface of the earth.
What is the difference between seismic focus and epicenter?
How are earthquakes distributed over the globe?
How is the intensity of an earthquake measured?
Describe the world’s distribution of earthquakes.
Name the instrument used to record Earthquakes.
Name some Earthquakes which caused great damage.
Name the causes of earthquakes.
Why are earthquakes related to volcanoes?
Answer the following:
A volcanic eruption is one of the main causes of earthquakes.
Seismology is the study of ______.
Choose the odd one
Choose the odd one
On an outline map of the world, mark the Pacific Ring of Fire
What is the point of the earth’s surface directly above the focus called?
Choose the odd one.
focus, epicenter, vent, seismic waves
