This Post and the attached video will explain the following points of Micro-Notes on UPSC Geography 07 - Earthquakes. Copy & Note it down carefully, as it will be very useful in Fast Revision of the entire topic of "UPSC Geography 07 - Earthquakes".
John Milne
** Above Video is created by KapsOne Studies and Placement Center, Nagpur for Guidance of UPSC Civil Service (IAS /IPS / IFS / IRS / SSC / Railways / NDA), MPSC Rajyaseva, UPPSC, MPPSC, BPSC, RPSC, NCERT Aspirants on UPSC Geography 07 - Earthquakes.
UPSC Geography 07 - Earthquakes
John Milne
- Seismology
- John Milne aks Earthquake Milne - Milne Instrument 1880’s
Reasons of Earthquakes
- Epirogenic Activity- Horizontal Movement of earth plates
- Divergent, Convergent,Transformational movements
- Valdivia (chile)-9.5 (1960)
Earthquake Waves
- P (Longitudinal)-S (Body waves-Transverse)
- L-R Waves (Surface Waves)
- P pass through Core but get deflected
- Shadow zone 105-140 deg
- Epicenter
- Focus- 100 km (90%)
Different Scales
- Richter scale-1935 by Charles F. Richter
- Wave Size 10 Times
- ENERGY of a quake goes up by a factor of 31.6 as per (10^n)^3/2 for each factor of 1 & 100 times with factor2
- MSK Scale -64 (XI)
- Moment Magnitude Scale by hanks
Earthquake Zones in India
- 2-5 Zone Earlier
- 1-4 Zone revised
- isoseismals, lines joining places with equal seismic intensity
Impact of Earthquakes – Liquefaction
** Above Video is created by KapsOne Studies and Placement Center, Nagpur for Guidance of UPSC Civil Service (IAS /IPS / IFS / IRS / SSC / Railways / NDA), MPSC Rajyaseva, UPPSC, MPPSC, BPSC, RPSC, NCERT Aspirants on UPSC Geography 07 - Earthquakes.
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