The Los Angeles earthquake hit a fault system that could pose a massive threat. Here’s what to know.
The Puente Hills thrust fault is a broad underground fault that ... possibly rupturing an area from San Gabriel east of Los ...
ABC 7 Los Angeles on MSN7mon
Recent earthquakes raise concern over lesser-known - but dangerous - Puente Hills fault
Monday's earthquake happened along the Puente Hills thrust fault system, stretching from the southern San Gabriel Valley ...