Earthquakes occur when there is a sudden release of stored up energy in the Earth's
a) inner core
b) outer core
c) upper mantle
d) lower crust
The place inside the earth from where the earthquake originates is called……
a) seismic focus
b) seismometer
c) epicenter
d) all of these
The place of origin or on an earthquake on the earth’s surface
vertically above the focus is called……..
a) seismic focus
b) seismometer
c) epicenter
d) all of these
The instrument used to measure the earthquake
a) Barometer
b) Thermometer
c) Seismometer
d) Lactometer
The instrument to measure the magnitude of Earthquake is called…….
a) Ideograph
b) Pantograph
c) Argograph
d) Seismograph
How many scale/s are used for the measurement of an earthquake?
a) one
b) two
c) three
d) fou
(1) Rechter scale 2) Marcalli scale)
