Data observed from the UC Berkeley network are marked with black triangles. Predicted values are marked with dots. Because of the sparse station coverage and communication problems caused by the earthquake, most of these values are predicted. The epicenter of the earthquake is shown as a black star, while the black line indicates the length of the faulting, as determined by the analysis of seismograms. UC Berkeley is identified by the black polygon.
Warmer colors indicate higher levels of ground shaking.
If you want to see a larger version of either map, click on the image. Click here to see the seismicity map on the same scale. If you want to see a movie of the ground motion, click here . These maps do not include the effects of near-surface geology. So, for example, the effect of soft soils near the bay is not apparent.