Overview

• The quake struck at 9:08 p.m. local time about 165 miles northwest of Eureka, California, according to the USGS.
• A magnitude 4.4 temblor occurred in the same area roughly seven minutes after the initial shock.
• The U.S. Tsunami Warning System said there are no warnings, watches, advisories, or threats in effect.
• USGS estimates indicate about a 78% chance of a magnitude 3.0 or larger aftershock and about a 34% chance of a 4.0 or larger aftershock in the near term.
• USGS reported a depth of about 13.8 km, issued a green alert for low likelihood of casualties or damage, and forecast a roughly 6% chance of an aftershock larger than magnitude 5 within a week.