Normally, Tara was hesitant to touch people without permission, especially since she knew some witches were very sensitive to getting feelings/thoughts/etc through touch, but desperate times called for desperate measures, and she didn't want Zed getting hurt because she hesitated.
Tara let Zed go once the shaking stopped, letting out a sigh of relief.
"Thank goodness for small favors," she said. "I didn't even realize that Washington really got earthquakes."