Home›Browse›M 4.3 - 18 km WSW of Johannesburg, CAEvent· pop 50M 4.3 - 18 km WSW of Johannesburg, CASign in to saveM 4.31762677888687 earthquake near 18 km WSW of Johannesburg, CA.🌍Natural eventTypeEarthquakeDateJul 13, 2026MagnitudeM 4.31762677888687USGS →On the map