Earthquake potential where there is no earthquake history

Earthquake potential where there is no earthquake history
San Francisco CA (SPX) Apr 23, 2015 - It may seem unlikely that a large earthquake would take place hundreds of kilometers away from a tectonic plate boundary, in areas with low levels of strain on the crust from tectonic motion. But major earthquakes such as the Mw 7.9 2008 Chengdu quake in China and New Zealand's 2011 Mw 6.3 quake have shown that large earthquakes do occur and can cause significant infrastructure damage and ... morehttp://www.terradaily.com/reports/Earthquake_potential_where_there_is_no_earthquake_history_999.html