A rare and brief tsunami warning tested city and county responses in Northern California after a 7.0 magnitude earthquake shook part of the state.

A 7_0 magnitude earthquake struck in what's known as California's “earthquake country.”.

The powerful earthquake that struck in Northern California on Thursday prompted a brief tsunami warning affecting about 5 million people along a stretch of the West Coast — from Northern California to Oregon — before being canceled.

A strong earthquake has been felt widely across Northern California, and authorities have issued a tsunami warning.

The National Weather Service has canceled its tsunami warning for the U.S. West Coast after there was a 7.0 magnitude earthquake.

Forecasters in the U.S. have warned of another round of wintry weather that could complicate travel leading up to Thanksgiving.

The U.S. is reeling from snow and rain while preparing for another bout of bad weather ahead of Thanksgiving that could disrupt holiday travel.

Heavy rain from a major storm prompted evacuation warnings for communities near a Northern California river that forecasters say could break its banks Friday, as the system continued to dump heavy snow in mountainous areas where some ski resorts opened for the season.

One of the strongest storms on the West Coast in decades knocked out power for thousands of people and unleashed strong winds that toppled trees and left two dead in Washington before making its way through Oregon to Northern California.

A major storm moving through Northern California has toppled trees and dropped heavy snow and record rain after knocking out power to hundreds of thousands of people in Washington and Oregon.

A major storm was sweeping across the U.S. Northwest, battering the region with strong winds and rain.

What is expected to be one of the strongest storms in the northwest U.S. in decades has arrived.

California is being lashed by powerful winds that fed a fast-moving wildfire that destroyed homes and forced hundreds of residents to flee in Ventura County.

For more than 10,000 years, Native Americans have been living along California’s central coast.

A Minnesota horticulture teacher has remained the reigning champion of an annual pumpkin-weighing contest in Northern California.

A founding member of the experimental rock band Mr. Bungle has been found guilty of first-degree murder in the killing of his girlfriend after prosecutors in California found an audio file the victim recorded on her phone as she fought for her life.

A man suspected of going on a three-hour shooting rampage in Northern California and killing 81 animals, including miniature horses, goats and chickens, pleaded not guilty to animal cruelty and other charges.

A 23-foot (7-meter) boat hurtling along a Northern California river at speeds of up to 40 miles per hour looked like other vessels but didn't have the familiar roar.

From California to Israel, companies are aiming to grow cocoa beyond the tropics in a bid to buffer chocolate's key ingredient from climate change.

U.S. wildlife officials next year will scale up efforts to kill invasive barred owls that are crowding out imperiled native owls from West Coast forests.

The West Coast’s summer has been interrupted by an unusually cold system from the Gulf of Alaska that dropped down through the Pacific Northwest into Northern California.

California Gov. Gavin Newsom is sending letters to school districts, urging them to restrict smartphone use on campuses.

A fast-moving wildfire that swept into a Southern California hillside community this week destroyed five homes and damaged three others.

As the largest wildfire in California this year approached the small town of Cohasset, Ron Ward was prepared with a sprinkler system he had just finished installing around his ranch after losing his homeowners insurance.

Wildfires across the western United States and Canada have put millions of people under air quality alerts, as thousands of firefighters battle the flames, including the largest wildfire in California this year.

Thousands of firefighters battling a wildfire in northern California are getting some help from the weather just hours after the blaze exploded in size, scorching an area larger than Los Angeles.

Thousands of firefighters battling a wildfire in northern California are getting some help from the weather just hours after the blaze exploded in size, scorching an area larger than Los Angeles.

A dangerously hot summer has shaped up in the U.S. West.

A visitor to Death Valley National Park has died from heat exposure and another person has been hospitalized as the temperature there reached 128 degrees this weekend.

Officials say thousands of people evacuated during a Northern California wildfire have been allowed to return home.

The National Weather Service says that around 134 million people in the U.S. are under alerts as an extremely dangerous and record-breaking heat wave broils much of the country.

Officials in a Northern California community have canceled an annual Fourth of July fireworks celebration as thousands of residents remain displaced while crews battle a growing wildfire amid extreme heat.

A weekend spring storm that drenched the San Francisco Bay area and closed Northern California mountain highways also set a single-day snowfall record in the Sierra Nevada.

Nearly two months after the election, a recount settled the outcome in a Northern California U.S. House primary contest.

The sequoias and redwoods — which aren’t invasive — have still managed to grow and survive after being introduced and planted in the 1800s throughout the northern part of the region.

A California lawmaker wants to require limited liability companies and similar businesses to report the identities of their owners to the government.

Rescuers on Wednesday were searching for a 30-foot-long gray whale with its tail entangled in a massive gill net last spotted off Northern California’s coast.

Momentum is building in a major case regarding homeless encampments that is before the U.S. Supreme Court.

A powerful blizzard has dumped more than 10 feet of snow on at least one California ski resort, where the marketing team had to dig a tunnel to get to their office door.

A major highway is closed again as the effects of a powerful blizzard continue to cause problems across the Sierra Nevada, and forecasters warned more heavy snow is on the way for Northern California.

A powerful blizzard that a meteorologist termed “as bad as it gets” is howling in the Sierra Nevada mountains.

Southern California Edison will pay $80 million to settle claims on behalf of the U.S. Forest Service connected to a massive wildfire that destroyed more than a thousand homes and other structures in 2017.

California's rainy season got off to a slow start but gained momentum with storms that have unleashed flooding and mudslides.

The latest in a series of wet winter storms is blowing ashore in Northern California.

Los Angeles officials says crews had responded to at least 475 mudslides and that seven buildings had been deemed uninhabitable since an atmospheric river-fueled storm moved into the region over the weekend.

Another “Pineapple Express” storm is on its way to California, bringing with it the threat of dangerous flooding and mudslides.

The storm that pummeled California this week was fueled by an atmospheric river, a plume of moisture that extended over the Pacific to near Hawaii.

The first of two back-to-back atmospheric rivers is pushing into California, triggering statewide storm preparations and calls for people to get ready for potential flooding, heavy snow and damaging winds.

After purple urchins helped nearly wipe out 96% of California's iconic underwater bull kelp forests over a six-year span, biologists say they are seeing promising signs that efforts to save them may be helping.

Some California entrepreneurs and farmers are betting agave could be a promising crop for the state.

California Gov. Gavin Newsom has signed a law to increase the amount of minimum sick days for workers from three days to five.

A growing number of Americans are finding it difficult to afford insurance on their homes, a problem only expected to worsen because insurers and lawmakers have underestimated the impact of climate change, a new report says.

The Atlantic Coast Conference has voted to add Stanford, California and SMU next year.

Federal authorities have charged nine current and former California police officers in a corruption investigation.

Firefighters battling lightning-sparked blazes in northwest California have gotten some help from wet weather.

Rural areas near California’s border with Oregon are under evacuation orders after gusty winds from a thunderstorm sent a lightning-sparked wildfire racing through national forest lands.

Federal officials said Tuesday they will ease water cuts for Western states reliant on the Colorado River next year.

Wildfires on the Hawaiian island of Maui have killed at least 96 people, making it the deadliest U.S. wildfire in more than a century.

What's next in conference realignment.

The four remaining Pac-12 schools, California, Stanford, Oregon State and Washington State, will have options if they are looking for another conference.

Beavers have long been treated as a nuisance for chewing down trees and shrubs and blocking up streams.

Tesla may face a class-action lawsuit after 240 Black factory workers in California described rampant racism and discrimination.

Two insurance industry giants have stepped back from the California marketplace.

A California judge has dismissed all charges against Pacific Gas & Electric for its role in a 2020 fatal wildfire that destroyed hundreds of homes and killed four people.

Grazing goats are in high demand to devour wild grass and shrubs that are proliferating across California after a drought-busting winter of heavy rain and snow.

California rivers fed by winter’s massive Sierra Nevada snowpack have been turned into cold and deadly torrents, drawing warnings from officials ahead of the Memorial Day weekend's traditional start of outdoor summer recreation.

Earthquakes have rattled a large area of Northern California, with minor damage reported.

Authorities say a man was arrested after he fatally shot one person and wounded two others, including a highway patrol officer, at a park in Northern California Thursday.

Federal officials are expected to prohibit king salmon fishing this season along much of the West Coast, which many predict could stretch into 2024 season as the drought and other factors take their toll on the iconic Chinook fish.

Search crews have rescued Californians stranded for days in multiple feet of snow after back-to-back storms plastered the state’s mountain communities and trapped many in their homes.

A judge says Pacific Gas & Electric must face trial for involuntary manslaughter over its role in a 2020 wildfire in Northern California that killed four people.

The driver of a car that plunged 250 feet off a treacherous cliff in northern California, injuring his two young children and his wife, has been released from the hospital and jailed on suspicion of attempted murder and child abuse.

Gov. Gavin Newsom and other officials are pleading with Californians to stay alert through several more rounds of stormy weather over the weekend and into next week.

Storm-ravaged California is scrambling to clean up and repair widespread damage as the lashing rain eases.

Rescuers have ended the search for a 5-year-old boy who was swept away by floodwaters in central California Monday morning.

Authorities say the driver of a car that plunged off a cliff in Northern California with two children and another adult inside has been arrested on suspicion of attempted murder and child abuse.

Evacuations have been ordered in high-risk coastal areas of California as a huge storm bears down on the state.

Authorities say the driver of a car that plunged off a cliff in Northern California with two children and another adult inside has been arrested on suspicion of attempted murder and child abuse.

Authorities say the driver of a car that plunged off a cliff in Northern California with two children and another adult inside has been arrested on suspicion of attempted murder and child abuse.

Northern California residents are bracing for another round of powerful storms.

Evacuation warnings were in place in rural Northern California on New Year’s Day after a powerful storm brought drenching rain or heavy snowfall to much of the state, breaching levees, snarling traffic and closing major highways.

A powerful storm is bringing drenching rain or heavy snowfall to much of California as the state gets ready to usher in a new year.

Landslides of rock and mud closed roadways across California as heavy rains kicked off what will be series of storms poised to usher in the new year, likely bringing downpours and flooding.

An earthquake warning system operated by the U.S. Geological Survey warned 3 million people about a quake that jolted Northern California's coast.

A lawsuit against the maker of an anti-malarial drug blamed for causing psychotic and neurological damage in U.S. servicemembers has been thrown out.

Michiganders are encouraged to submit names for the first turkey Gov. Gretchen Whitmer will pardon since taking office.

California regulators have proposed fining Pacific Gas & Electric more than $155 million for sparking a 2020 wildfire in Northern California.

A judge has ordered a psychiatric examination for a California man who pleaded guilty to plotting to firebomb the state Democratic Party’s headquarters and other buildings in Northern California.

A man suspected of killing six men and wounding a woman in a series of shootings in Northern California has a criminal history that includes traffic violations and convictions for drug crimes.

The mayor of Stockton, California, says his city is resting easier following the weekend arrest of a man suspected of killing six men and wounding a woman in a series of shootings.

Police in Stockton, California, say they have arrested a man suspected of killing six men and wounding a woman in a series of shootings.

The House has approved antitrust legislation targeting the dominance of Big Tech companies by giving states greater power in competition cases and increasing money for federal regulators.

A data privacy watchdog's lawsuit says a Northern California utility routinely fed customers’ power use information to police so they could target illicit marijuana grows, without requiring a warrant or suspicion of wrongdoing.

Flood waters are receding in parts of western Alaska battered by the worst storm in a half century.

A powerful storm traveling north through the Bering Strait is causing widespread flooding in several western Alaska coastal communities, knocking out power and sending residents to higher ground.

A weekend weather system could hamper firefighters’ efforts in Northern California to battle the week-old blaze that’s become the largest in the state so far this year.

Rescuers are searching for a person missing in a mudslide that swept boulders down fire-scarred slopes and damaged or destroyed 30 homes in Southern California mountains.

Southern California welcomed cooler temperatures and spotty rain Saturday as a tropical storm veered off the Pacific Coast and faded, helping put an end to a blistering heat wave that nearly overwhelmed the state’s electrical grid.

A brutal Western heat wave brought California to the verge of ordering rolling blackouts but the state’s electrical grid has managed to handle record-breaking demand.

A sheriff says two people have died in a blaze that ripped through a Northern California town.