Global news Leila Ramsay AFRICA, BRANDVLEI, CAPE TOWN, CITY BOWL, EARTHQUAKE, EARTHQUAKES, LESLEY STEYN, NAMIBIA, NATURAL DISASTER, NATURAL DISASTERS, SEISMOLOGY, SOUTH AFRICA, STEYN, UNITED STATES GEOLOGICAL SURVEY, UNIVERSITY OF CAPE, UNIVERSITY OF CAPE TOWN, USGS Magnitude 5.3 Earthquake in South Africa Raises Concerns About Preparedness