Skip to main content

UPSC Geography 07 - Earthquakes

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".

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.

Comments

Popular posts from this blog

UPSC Indian Geography 03 - Purvanchal & Aravali Hills

This Post and the attached video will explain the following points of Micro-Notes on  UPSC Indian Geography 03 - Purvanchal & Aravali Hills . Copy & Note it down carefully, as it will be very useful in Fast Revision of the entire topic of " UPSC Indian Geography 03 - Purvanchal & Aravali Hills ". UPSC Indian Geography 03 - Purvanchal & Aravali Hills Purvanchal Hills Patkai (Chairagiri hills) Naga - Nagaland Manipur-Baril Mizo hills ( aks lushai hills)- Phawngpui hill Jainta Hill - Nantinang (highest monolith) Khasi Hills Garo Hills Aravali Hills Oldest  Residual Mountain  Starts from Vagad hill (Gujarat) Great Boundary Fault (Aravali-vindhyachal) Mount Abu (Arbudanchal) - Guru shikhar peak,  Mahi and Luni river Click Here to View UPSC Indian Geography 03 - Purvanchal & Aravali Hills Slide ** Above Video is created by KapsOne Studies and Placement Center, Nagpur for Guidance of...

UPSC Geography 14 - Winds

This Post and the attached video will explain the following points of Micro-Notes on UPSC Geography 14 - Winds . Copy & Note it down carefully, as it will be very useful in Fast Revision of the entire topic of " UPSC Geography 14 - Winds ". UPSC Geography 14 - Winds Global Winds Hadley cell Doldrums - equatorial calm Trade winds- horse latitude Coriolis effect - earth's rotation- circular motion  Farrell Law - rightward in NH Torrid Zone - Tropical Zone Temperate zone Polar Zone Local Winds Radiation Inversion Advection inversion Drainage Inversion- ketabatic wind- Cooling of air at top of hill Adiabatic cooling - raising - expanded & get cooled Some Local Winds Sirocco & Bora - Italy Khamsin- Egypt  Mistral - Mediterranean Abrolhos - Brazil Fremantle Doctor - Australia Karaburan- Mongolia Kona - Hawaii Nor easter - US Nor wester - NZ Simoom- Africa Sundowner - California Chinook - Rocky Harmattan - ...

UPSC Indian Geography 08 - Monsoon Theories

This Post and the attached video will explain the following points of Micro-Notes on UPSC Indian Geography 08 - Monsoon Theories . Copy & Note it down carefully, as it will be very useful for the Fast Revision of the entire topic of " UPSC Indian Geography 08 - Monsoon Theories ". UPSC Indian Geography 08 - Monsoon Theories Halley Thermal Concept Halley hypothesized that monsoons is the extended land breeze and sea Breeze Aerological Concept By Scherbag 1948 - German changes in the direction of winds at all levels in the atmosphere  a distinct monsoonal circulation exists in upper atmosphere at an altitude of about 21 km Dynamic Concept By Flohnn ITC Moves up Tibet & Easterly Jet Tibet & easterly Jet-Heating of Tibet- strengthening monsoon,  Westerly jet,  Somali Jet-cold Indian Ocean Dipole Difference in sea surface temperature between Arabian Sea (western Indian Ocean) and an eastern pole in the easte...