A magnitude-5.7 earthquake struck 25 miles southwest of Ferndale, Humboldt County on Wednesday afternoon, the U.S. Geological Survey reported.
The quake was reported 40 miles southwest of Eureka. According to USGS, the quake took place at 1:08 p.m.
Lt. Wayne Hanson of the Humboldt County Sheriff's Office says no damage or injuries were immediately reported, the Associated Press reported.
No tsunamis are expected from the earthquake, according to the National Tsunami Warning Center.
On the USGS "Did You Feel It" site, the most responses came in from Eureka, Arcata, Ferndale and Fortuna. People as far away as San Jose and Salinas reported feeling the shake.
The California Office of Emergency Services (Cal OES) tweeted that "a room full of Public Safety Officials felt the 5.7 earthquake that shook Humboldt County a few minutes ago."
Many others took to Twitter to report the shaking.
A strong 6.8 earthquake struck 50 miles off the coast from Eureka last March, but there were no reports of damage or risk of a tsunami. The quake's depth and distance from the shore reduced its impact, experts said.
Just felt an earthquake!!! Anyone else feel it? — Torrance Gaucher (@TorranceGaucher) January 28, 2015
Was that a earthquake or am I tripping?���� — Rickiyah (@Rickiyah1) January 28, 2015