Video | This is how severe Wednesday’s Earthquake in Accra was

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The Ghana Geological Survey Authority (GGSA) has disclosed that the minor earthquake encountered in some parts of the country on Wednesday evening measured 4.2 on the Richter scale.

Mr. Nicholas Opoku, a Seismologist at GGSA further explained that the ‘small earthquake’ occurred three times and was felt in the whole of Accra and its environs.

“It happened three times. The first one which is the foreshock, the magnitude was 3.7, then the mainshock which was the second one the magnitude was 4.2 and then the third one was 3.5 all on the Richter Scale.”

The Richter scale measures the magnitude of an earthquake (how powerful it is).

Earthquakes are measured using a machine a seismometer which produces a seismograph.

A Richter scale is normally numbered 1-10, though there is no upper limit. It is logarithmic which means, for example, that an earthquake measuring magnitude 5 is ten times more powerful than an earthquake measuring 4

Watch the CCTV footage below:

 

 

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