Mag. 1.4 earthquake – 21km W of Johannesburg, CA, USA, on Tuesday, 12 Jan 4:24 pm (GMT -8) | MyJHB.co.za: Johannesburg in the news: Mag. 1.4 earthquake – 21km W of Johannesburg, CA, USA, on Tuesday, 12 Jan 4:24 pm (GMT -8): Detailed earthquake information – overview map, magnitude, time, depth, source, shake map, list of reports. File an “I felt it” … [Read more...] about Mag. 1.4 earthquake – 21km W of Johannesburg, CA, USA, on Tuesday, 12 Jan 4:24 pm (GMT -8) | MyJHB.co.za