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प्रश्न
Fill in the blank:
___________ are the first earthquake waves to be recorded on a seismograph of an earthquake.
उत्तर
P (primary or push waves) are the first earthquake waves to be recorded on a seismograph of an earthquake.
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संबंधित प्रश्न
Give geographical reason.
Buildings collapsed at the foothills of the Himalayas because of an earthquake. Before collapsing they were moving forward and backward.
Give reasons why an earthquake occurs.
Fill in the blank:
Most earthquakes occur on account of the strain in the _________.
Fill in the blank:
The last of the earthquake waves to arrive on the surface of the earth are ___________ waves.
Fill in the blank:
The giant sea waves caused by earthquakes in the oceans are called ___________.
Fill in the blank:
About 70 percent of the earthquakes occur in the _________________ Belt.
What is known as the Richter scale? State its uses.
Describe how earthquakes are caused on the surface of the earth.
How is the intensity of earthquakes measured? What instruments are used?
Describe the world’s distribution of earthquakes.
Name some Earthquakes which caused great damage.
What was the cause of the Koyna earthquake in India?
Answer the following:
A volcanic eruption is one of the main causes of earthquakes.
The magnitude of an earthquake is measured by ______.
Seismology is the study of ______.
How the earthquake can be recorded?
Name the point where the vibrations originate in an earthquake.
Choose the odd one.
focus, epicenter, vent, seismic waves
