At least 20 apartments were damaged by the latest earthquake to rattle the region of Northern California where a stronger quake nearly two weeks ago killed two people and knocked homes off their foundations, authorities confirmed this week.

The magnitude-5.4 aftershock struck at 10:35 a.m. on New Year’s Day about 9 miles southeast of Rio Dell in Humboldt County, according to the U.S. Geological Survey.

Kyle Knopp, Rio Dell’s city manager, said inspectors on Monday red-tagged 20 residences at a single apartment complex. Knopp said inspections were ongoing and officials expected to find additional homes rendered uninhabitable by the latest quake.

Thousands of customers are still without power following a large earthquake in Northern California.

A magnitude 6.4 earthquake struck northern California on Tuesday, according to the U.S. Geological Survey.

Very strong shaking was reported from the quake, which struck in Ferndale roughly 200 miles north of San Francisco in the vicinity of the Mendocino triple junction where the Pacific, North America and Juan de Fuca plates meet, according to the USGS.

A magnitude 6.4 earthquake struck northern California on Tuesday, according to the U.S. Geological Survey.

The quake struck roughly 200 miles north of San Francisco in the vicinity of the Mendocino triple junction where the Pacific, North America and Juan de Fuca plates meet, according to the USGS.

Very strong shaking was reported, with some reports of shaking up to coastal Oregon.

A Southern California regional passenger rail service announced that it is testing technology that will use the West Coast’s earthquake early warning system to automatically slow or stop trains before shaking begins.

The five-county Metrolink system said the technology is an advancement of a previous version deployed in September 2021 that sends automated messages instructing train crews to slow or stop but does not have automated braking.

A magnitude 4.1 earthquake rattled an inland region of San Diego County on Sunday morning, the U.S. Geological Survey confirmed.

The quake hit at 9:46 a.m. near Palomar Observatory, about 65 miles northeast of downtown San Diego, USGS said.

A small earthquake near downtown Los Angeles on Sunday morning was felt widely across Southern California, the U.S. Geological Survey confirmed.

The magnitude 3.6 quake hit just after 7 a.m. and was centered about a mile south-southeast of the Boyle Heights neighborhood, according to the USGS.

A magnitude 4.1 earthquake rattled a remote area of west-central California on Tuesday, the U.S. Geological Survey confirmed.

The light temblor occurred at 9:09 a.m. and was centered about 13 miles northeast of Soledad.

The epicenter was in mountains east of the Salinas Valley and north of Pinnacles National Park.

A magnitude 5.1 earthquake struck off the Northern California coast late Saturday, the U.S. Geological Survey confirmed.

The earthquake just before midnight was about 12 kilometers west of Petrolia in Humboldt County and 56 kilometers southwest of Eureka, according to the USGS.

The depth was just over 30 kilometers.

A moderate earthquake struck near the Salton Sea in Southern California on Saturday but there were no immediate reports of injuries or serious damage, the U.S. Geological Survey confirmed.

The magnitude 5.3 earthquake was reported at 10:55 a.m. and centered about 6.8 miles west of Calipatria, the USGS said. It was the biggest among a cluster of earthquakes reported in the area since 1 a.m.

A magnitude 3.9 earthquake rattled parts of Northern California on Sunday morning, the U.S. Geological Survey confirmed.

The earthquake was reported at 6:44 a.m. about 14 miles from Chico.