The Sierra Madre range rises above Rancho Cucamonga, jacked up by successive earthquakes on the Sierra Madre Fault etched into its base.
Latest posts by Temblor (see all)
- What’s happening this week in Humboldt County, California: The squeeze - February 6, 2019
- Finding of the unexpected tsunami due to the strike-slip fault at central Sulawesi, Indonesia on 28 September 2018, from the preliminary field survey at Palu - October 15, 2018
- California bill (AB 2681) to create a public inventory of collapse-risk buildings is awaiting Gov. Brown’s signature - September 7, 2018