- Here’s what triggered California’s 7.0 earthquake and forecast for aftershocks San Francisco Chronicle
- Tsunami Warning in San Francisco ‘Felt Like a Science Fiction Movie’ The New York Times
- Why Humboldt’s coast gets major earthquakes. Could they happen in Shasta Cascade region? Yahoo! Voices
- M 7.0 – 99 km WSW of Ferndale, California USGS Earthquake Hazards Program
- In California’s ‘earthquake country,’ a 7.0 temblor prompts confusion and a tsunami warning The Associated Press