California has been struck by a swarm of 28 earthquakes in just 24 hours as fears of a “big one” cause alarm across the US state. The US cities of Los Angeles, San Francisco and Sacramento have all been rattled by large earthquakes 1.5 magnitude or greater in the past day. The largest quake measured … Continue reading DEVELOPING: Quake Swarm Reels California, 28 in 24 hours…