General Geography Compendium – Earth
- Shape of Earth can be best described as — Geoid
- Earth’s rotational velocity at equator is — 1690 km/hr
- A solar day is greater than a sidereal day by — 4 minute
- Point in the orbit of Moon when it’s farthest from Earth — Apogee
- Each degree of latitude equals — 111 km
- A person crossing International Date Line from East to West — loses one day
- The sun is vertically overhead at the equator on — March 21st (spring equinox)
- Prime cause behind Earthquakes — Dislocation along fault
- Elements constituting Earths crust — Oxygen (46.1%), Silicon (28%), Aluminium (8%), Iron (5%)
- Mumbai is 18.55 degree north of the equator. Distance wise it equals — 2059 km
- Point on Earth’s surface vertically above the seismic focus —Â Epicenter
- Circum-Pacific belt is called Ring of Fire because — 80% of volcanic activity of Earth is there
- When it’s noon in London, the local time for a place 90 degree west of it will be — 6 am
- Lighthouse of the Mediterranean — Mt. Stromboli
- Earth’s interior has a layered structure because of — density differentiation
- The intensity of earthquake wave is recorded by — seismograph
- Continental Drift Theory was given by — Alfred Wegenor
- Meridian accepted as the Indian Standard Time — 82 1/2 degree east
- A meteoric crater lake found in India — Lohar in Maharashtra
- Mohorovicic discontinuity separates — Crust and Mantle
- Gigantic seismic sea-waves are called — Tsunami
- Earth’s tilted axis causes — Season
- Hardest mineral — Diamond, and softest mineral — talc
- Theory that considers Earth’s lithosphere as fractured along several faults — Tectonic Plate
- Seismic wave transverse in nature which does not pass through molten outer core — s wave
- Gutenberg discontinuity separates — mantle and core
- Theory that explains Earthquakes — elastic rebound theory
- Earth’s magnetic north and south poles are located on — Prince of Wales Island in North Canada
- Layer beneath the lithosphere capable of flowing under stress — Asthenosphere
- IST is ahead of GMT by — 5 hrs 30 minutes
- Line joining places that experience earthquake at the same time — Homo seismal line
- The only active volcano in India — Barron, Andaman, and Nicobar
- Seismic wave that causes maximum destruction — L wave
- The antipodal point of 10 degrees North 125 degree East is — 10 degrees South 55 degree West
- The equatorial bulge on Earth is due to — centrifugal force
- Magnitude of an earthquake is measured on — Richter Scale
- Earth is round was first theorised by — Plato
- The recent earthquake in Gujarat occurred due to — dislocation along all Allahbund fault in Sindh, Pakistan
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most important notes
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Point number 19. Its Lonar lake, not Lohar….typo error I think.