Major earthquake risk at Salton Sea? It is only the only the third time since 1932 that the area had seen such a swarm, and this one had more earthquakes than the events of 2001 and 2009. Seismologists are worried the recent earthquake swarm at the Salton Sea will temporarily increase the likelihood of a major quake in Southern California. The rumbling started Monday morning deep under the Salton Sea. A rapid succession of small earthquakes — three measuring above magnitude 4.0 — began rupturing near Bombay Beach, continuing for more than 24 hours. Before the swarm started to fade, more than 200 earthquakes had been recorded. The temblors were not felt over a very large area, but they have garnered intense interest — and concern — among seismologists. It marked only the third time since earthquake sensors were installed there in 1932 that the area had seen such a swarm, and this one had more earthquakes than the events of 2001 and 2009. The quakes occurred in one of California's most