The instrument, used for recording earthquake waves is :

Related MCQs

• Which of the following is/are matched correctly? 1. Earthquake's origin - seismic focus 2. Epicentre - point on earth's surface directly above seismic focus 3. 5 waves - similar to sound waves 4. Richter scale - severity of earthquake
• Consider the following statements: 1. P - waves are the first seismic waves to reach a place 2. S - waves travel only through liquids 3. Arrival time of P and S - waves is used to locate the epicentre 4. Richter scale is a logarithmic scale Which of the statements given above are correct? [IAS2004]
• The longitudinal, transverse and surface waves in an earthquake originate from
• The transverse, longitudinal and surface waves in an earthquake originate from:
• A layer in the Earth's atmosphere called Ionosphere facilitates radio communication. Why? 1. The presence of ozone causes the reflection of radio waves to Earth. 2. Radio waves have a very long wavelength. Which of the statements given above is fare correct? [CSAT 2011]
• The point below the surface where an earthquake originates is called ____.
• The palace of origin of an earthquake is called
• The epicentre of an earthquake is the: [CDS 1992]
• Tsunami is a large sea wave caused by an earthquake experienced along the coasts of: [NDA 1991]
• Which of the following are the factors that are mainly responsible for the movements of surface oceanic currents? 1. Prevailing winds 2. Earth's Rotation 3. Earthquake activity 4. Bottom Topography 5. Difference in the density of seawater