The tremor, which lasted for around four or five seconds, happened at 6.56am and was felt across many places in and around the city.
EARTH TREMOR IN JOBURG!
— Sphelele (@SpheDludla) March 1, 2019
Social media users started tweeting that they had felt it too, with some saying they thought they were the only ones who had felt it or perhaps they felt it because they were “high”.
“It was so scary [I] even ran out of the house,” @miss_don tweeted.
⚠️BREAKING: 3.7 magnitude #tremor recorded at 6:56am with epicenter near Randfontein.
— Gauteng Weather (@tWeatherSA) March 1, 2019
In the West Rand, the tremor was also felt, with some cars stuck in traffic having their alarms go off.
Johannesburg is prone to tremors due to mining activities and blasting around the city. Gauteng Weather said it measured 3.7 magnitude on the Richter Scale.
— Andrea (@Tweetpohtato) March 1, 2019
Second #Tremor this week around soweto hit about 10 minutes ago.
— Billy The Kid (@Lxtlxtlx) March 1, 2019
— Mrs H (@craving_series) March 1, 2019
— Armand Greyling (@Greylie1) March 1, 2019
– African News Agency (ANA)