A 3.4 magnitude earthquake was recorded about 4.3 miles west-southwest of Klamath off the California Coast Thursday morning, Oct. 17.
The USGS officials said there is no threat of a tsunami from this earthquake.
The U.S. Geological Survey (USGS) reported the quake at about 3:10 a.m. in the Pacific Ocean with a depth of 22.3 miles.
USGS stated it had received four reports of people feeling the shake, some from as far was 30 miles.
There have been no immediate damage or injuries have been reported at this time.
A second earthquake beneath the ocean occurred Thursday afternoon, west of Port Orford, according to the USGS. The 4.7 tremor registered 10 km in depth. No reported damage or injuries.
The tremors occurred on the same day as the Great Shakeout, a worldwide earthquake preparedness event.