By Ron Howells • Published: 21 May 2021 • 20:59
Massively Powerful 7.4 Magnitude Earthquake Hits Qinghai in China.
A massively powerful 7.4 magnitude earthquake struck Qinghai in China following a 6.4 magnitude in Yunnan earlier today, according to Chinese state media. In total, four earthquakes over 5.0- in magnitude on the Richter scale hit Yangbi between 9 pm to 11 pm (Beijing Time), according to the China Earthquake Networks Center. The quake was not too far away from the most powerful ever recorded, see video below, courtesy @Mackqu.
There is earthquake in Dali China . God bless people to survive.17 more times per day happened . pic.twitter.com/XWXrWlUmNr — jamesqu$BLOCK (@Mackqu) May 21, 2021
There is earthquake in Dali China . God bless people to survive.17 more times per day happened . pic.twitter.com/XWXrWlUmNr
— jamesqu$BLOCK (@Mackqu) May 21, 2021
At least one person has been killed and eight other sustained injuries following the series of earthquakes that severely jolted Yangbi Yi Autonomous County in southwest China’s Yunnan Province on Friday, May 21, local authorities said.
One person was killed by falling rocks and people were seen running outdoors after the quake struck. said Zhang Shiwei, Party chief of Yangbi. Three people were injured by falling tiles, and four were buried in a road collapse, among whom three have been rescued, Xinhua reported. Rescue forces have been dispatched to the quake zone, and rescue operations are underway- more fatalities and injured are expected.
What is the most powerful earthquake ever recorded?
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Ron actually started his working career as an Ophthalmic Technician- things changed when, during a band rehearsal, his amplifier blew up and he couldn’t get it fixed so he took a course at Birmingham University and ended up doing a degree course. He built up a chain of electronics stores and sold them as a franchise over 35 years ago. After five years touring the world Ron decided to move to Spain with his wife and son, a place they had visited over the years, and only bought the villa they live in because it has a guitar-shaped swimming pool!. Playing the guitar since the age of 7, he can often be seen, (and heard!) at beach bars and clubs along the length of the coast. He has always been interested in the news and constantly thrives to present his articles in an interesting and engaging way.
‘The earthquake was not too far away from the most powerful ever recorded.’
Not true, because the writer might not understand Richter cake Magnitudes correctly. This was recorded as a Magnitude 7.3 earthquake, and the most powerful was 9.5. Magnitude 9.5 is about 160 times as powerful as this one.
To explain: The Richter scale is logarithmic, with a tenfold difference for every unit. Therefore an increase of only 0.3 is approximately a doubling in power, 0.6 is roughly a quadrupling, 0.9 multiplies power by about 8, and 1.0 is a tenfold increase. From these figures, you can work out the differences for each step of plus or minus 0.1 in Magnitude.
So, for comparison, the much-reported Magnitude 5.3 earthquake, which happened in Central England a few years ago, was about 1% of the power of the M 7.3 event in China a few days ago, and 1/160,000th of the power of the strongest earthquake ever measured.
A great earthquake is truly terrifying in power.
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