Table of Contents
About earthquake
- An earthquake is the release of energy caused by a sudden slip on a fault.
Richter scale
- The Richter scale is a mathematical measure of earthquake intensity.
- Discovered in 1935 by Charles Richter.
- The magnitude of earthquake per scale increases by 10 times.
- g. Earthquake measuring 3 on the Richter scale would increase 10 times on 4 Richter scale.
Earthquake in Turkey
- The 0 magnitude tremor was centred off Turkey’s Izmir province, the US Geological Survey (USGS) said.
- Turkey put the magnitude lower, at 6, saying 20 people had died and 786 were injured in the province of Izmir.
- On Samos, two teenagers were killed.
- The shallow tremor triggered a mini-tsunami that flooded Izmir and Samos.
- The quake – which was felt as far away as Athens and Istanbul – struck at a depth of 10km (six miles).
Reason
- Turkey and Greece both sit on fault lines and earthquakes are common.
Greek PM called Erdogan
- Greek Prime Minister Kyriakos Mitsotakis said he called Mr Erdogan “to offer my condolences for the tragic loss of life from the earthquake that struck both our countries”.
- “Whatever our differences, these are times when our people need to stand together,” Mr Mitsotakis wrote in a tweet.
- “Thank you, Mr Prime Minister,” Erdogan tweeted in reply. “That two neighbours show solidarity in difficult times is more valuable than many things in life.”
Q) The type of plate- boundary interaction along the Himalayas is known as?
- Continent-continent convergence.
- Divergent boundary
- Transform boundary
- Ocean-continent convergence
Q) Which of the following statements regarding earthquake waves are correct?
- Love waves & Rayleigh waves are the examples of Body waves.
- Primary waves can travel through solid, liquid and gaseous materials.
- Primary waves are faster than the secondary waves.
- 1 & 2 only
- 2 & 3 only
- 1 & 3 only
- All of the above
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