A 4.3 earthquake occurred about 10:25 A.M. 51 km west of Ferndale. The Redwood Coast Tsunami Workgroup says,

…it is likely that the earthquake was felt lightly by some people from the Cape Mendocino area to Arcata. If you felt it, you can report your observations at http://earthquake.usgs.gov/earthquakes/dyfi/events/nc/71959700/us/index.html