A magnitude 6.4 earthquake struck Northern California on Tuesday morning just after 2:30 PST/5:30 ET.
The quake hit 7.4 miles west-southwest of Ferndale, the US Geological Survey (USGS) said.
More than 70,000 people are without power in Humboldt County.
There is no tsunami threat.
According to the Humboldt County Sheriff’s Office, at least two people suffered injuries.
NBC News reported:
A 6.4-magnitude earthquake rocked parts of Northern California early Tuesday, knocking out power for thousands, causing widespread damage and leaving at least two people injured, officials said.
The quake hit at a depth of 10 miles just after 5:30 a.m. ET near Eureka in Humboldt County, the U.S. Geological Survey said. It struck around 7.4 miles west-southwest of Ferndale, the agency said.
More than a dozen smaller earthquakes appeared to hit parts of the region afterward, it said.
At least two people were injured, the Humboldt County Sheriff’s Office said. One person broke their hip and another sustained a head injury, it said.
More than 70,000 utility customers were without power in Humboldt County as of 9 a.m. ET Tuesday, according to the online outage tracker Poweroutage.us.