Wednesday’s incident was an earthquake, not just a tremor – Geological Survey Authority
What was believed to be an earth tremor on Wednesday evening was actually an earthquake, according to Ghana Geological Survey Authority. Nicholas Opoku, a senior Seismologist at the Authority, said the earthquake had a magnitude of 4.2 on the Richter scale and described it as a mild earthquake. "This is a small earthquake. If you are moving from 4.5 to 6.0 [on the Richter scale], you are moving into a moderate earthquake. Then from 6.0 going, you are moving into a bigger one," Mr. Opoku explained on the Citi Breakfast Show . He noted that the epicentre of the earthquake, which was felt outside the Greater Accra Region, was "between Dansoman towards Bortianor." The foreshock of the earthquake was measured at 3.7 on the Richter Scale, the mainshock registered at 4.2 on the scale and the aftershock was the weakest measured at about 3.5 on the scale. In the past few years, environs of Accra have been hit by a series of earth tremors of magnitudes ranging between 2.6 an...