11. Most of the foreshocks are interplate earthquakes with thrust-type focal mechanisms. 12. Michael said it might help warn of a large impending earthquake by detecting foreshocks . 13. Foreshocks are already being felt in the capital.14. A sequence of foreshocks began on March 27, with tremors every few minutes. 15. The earthquake originated ( without foreshocks ) on the Calaveras Fault near Mount Hamilton. 16. It is highly unlikely that the earthquake was a foreshock preceding an even larger earthquake. 17. If an earthquake is a foreshock , most likely the main shock will come very quickly, 18. On June 28, 1992, a M6.5 Big Bear foreshock earthquake 40 km away. 19. The second link to " foreshock " could go, and you might find some I missed. 20. The main earthquake was preceded by a number of large foreshocks , with hundreds of aftershocks reported.