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UPSC GEOGRAPHY
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This channel provides notes from different major books like D.R. khullar, G.C leong etc No copyright material allowed. Queries - @Upscgeographybot
Mostrar más📈 Análisis del canal de Telegram UPSC GEOGRAPHY
El canal UPSC GEOGRAPHY (@upsc_geography_notes_optional) en el segmento lingüístico de Inglés es un actor destacado. Actualmente la comunidad reúne a 67 431 suscriptores, ocupando la posición 2 445 en la categoría Educación y el puesto 5 066 en la región India.
📊 Métricas de audiencia y dinámica
Desde su creación el невідомо, el proyecto ha mostrado un crecimiento acelerado, reuniendo a 67 431 suscriptores.
Según los últimos datos del 14 junio, 2026, el canal mantiene una actividad estable. En los últimos 30 días la variación de miembros fue de -1 186, y en las últimas 24 horas de -55, conservando un alto alcance.
- Estado de verificación: No verificado
- Tasa de interacción (ER): El promedio de interacción de la audiencia es 4.22%. Durante las primeras 24 horas tras publicar, el contenido suele obtener 2.76% de reacciones respecto al total de suscriptores.
- Alcance de las publicaciones: Cada publicación recibe en promedio 2 844 visualizaciones. En el primer día suele acumular 1 863 visualizaciones.
- Reacciones e interacción: La audiencia responde de forma activa: el promedio de reacciones por publicación es 0.
- Intereses temáticos: El contenido se centra en temas clave como prelim, hindu, sanctuary, upsc, polity.
📝 Descripción y política de contenido
El autor describe el recurso como un espacio para expresar opiniones subjetivas:
“This channel provides notes from different major books like D.R. khullar, G.C leong etc
No copyright material allowed.
Queries - @Upscgeographybot”
Gracias a la alta frecuencia de actualizaciones (últimos datos recibidos el 15 junio, 2026), el canal mantiene la vigencia y un amplio alcance. La analítica demuestra que la audiencia interactúa activamente con el contenido, lo que lo convierte en un punto de referencia dentro de la categoría Educación.
67 431
Suscriptores
-5524 horas
-2867 días
-1 18630 días
Archivo de publicaciones
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■ ELEMENTS OF EARTH
#Interiorofearth
1. Iron – 34.6%
2. Oxygen – 29.5 %
3. Silicon – 15.2 %
4. Magnesium – 12.7%
5. Nickel – 2.4 %
6. Sulphur – 1.9%
7. Titanium – 0.05%
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■ MOST ABUNDANT ELEMENTS OF THE EARTH'S CRUST
#Interiorofearth
ELEMENT - APPROXIMATE % BY WEIGHT
◇ Oxygen - 46.6%
◇ Silicon (Si) - 27.7%
◇ Aluminium (Al) - 8.1%
◇ Iron - 5.0%
◇ Calcium (Ca) - 3.6%
◇ Sodium (Na) - 2.8%
◇ Potassium (K) - 2.6%
◇ Magnesium (Mg) - 1.5%
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■ INTERNAL STRUCTURE OF THE EARTH.
#interiorofearth
◇ The interior of the earth is made up of several concentric layers of which the crust, the mantle, the outer core and the inner core are significant because of their unique physical and chemical properties.
◇ The crust is a silicate solid, the mantle is a viscous molten rock, the outer core is a viscous liquid, and the inner core is a dense solid.
◇ Mechanically, the earth’s layers can be divided into lithosphere, asthenosphere, mesospheric mantle (part of the Earth's mantle below the lithosphere and the asthenosphere), outer core, and inner core.
◇ Chemically, Earth can be divided into the crust, upper mantle, lower mantle, outer core, and inner core.
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■ SURFACE WAVES ( L-WAVES)
#interiorofearth
◇ The body waves interact with the surface rocks and generate new set of waves called surface waves (long or L-waves). These waves move only along the surface.
◇ Surface Waves are also called long period waves because of their long wavelength.
◇ They are low-frequency transverse waves (shear waves).
◇ They develop in the immediate neighbourhood of the epicentre and affect only the surface of the earth and die out at smaller depth.
◇ They lose energy more slowly with distance than the body waves because they travel only across the surface unlike the body waves which travel in all directions.
◇ Particle motion of surface waves (amplitude) is larger than that of body waves, so surface waves are the most destructive among the earthquake waves.
◇ They are slowest among the earthquake waves and are recorded last on the seismograph.
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■ SECONDARY WAVES (S-WAVES)
#Interiorofearth
◇ They are recorded second on the seismograph or S-waves are also called as transverse waves or shear waves or distortional waves.
◇ They are analogous to water ripples or light waves.
◇ Transverse waves or shear waves mean that the direction of vibrations of the particles in the medium is perpendicular to the direction of propagation of the wave. Hence, they create troughs and crests in the material through which they pass (they distort the medium).
◇ S-waves arrive at the surface after the P-waves.
◇ These waves are of high frequency and possess slightly higher destructive power compared to P-waves.
◇ The trembling on the earth’s surface caused due to these waves is from side to side (horizontal).
◇ S-waves cannot pass through fluids (liquids and gases) as fluids do not support shear stresses.
◇ They travel at varying velocities (proportional to shear strength) through the solid part of the Earth.
▪︎@upsc_geography_notes
