Its specifics indicated that it was a 5.5 (magnitude) earthquake, 90km E of Santo Antonio, Sao Tome and Principe. It also had a depth of 10km.
“We felt a small tremble in Libreville today at about 16:30. It was due an earthquake about 80km east of Principe on the Sao Tomé Mt Cameroon fault.
“It is very unusual and scared quite a few people but is nothing to worry about:” Lee White, Gabon’s Minister of Forests, Oceans, Environment and Climate Change confirmed in a tweet.
Gabon's Forests, Oceans and Environment Minister confirms reports of earth tremor in Libreville
– An effect of earthquake in Sao Tome e Principe
– USGS confirmed the incident
– Magnitude of 5.5 with depth of 10km@africanews https://t.co/0CiLBzzzks
— Alfa Shaban (@AlfaAfrican) December 19, 2019