For the reaction from residents and a timeline, click here.
The Los Angeles County Department of Public Health ordered Southern California Gas Co. late Sunday to stop cleaning the homes of Porter Ranch-area residents.
Members of the state Senate energy committee plan to question energy agencies about the report they issued that warns of potential blackouts in Southern California if the Aliso Canyon natural gas storage facility remains closed.
Tougher gas storage rules inspired by the leak at SoCal's Aliso Canyon storage facility would be required under a bill approved unanimously by the House
'This is a threat. This is not a report.' Critics call blackout warnings a scare tactic to keep Aliso Canyon open
If energy agencies and utilities ever want to scare consumers, they need say little more than "blackouts."
Southern California Gas Co. says it intends to resume injecting natural gas in its shuttered Aliso Canyon storage field as soon as late summer, using a small
State officials warn that Southern California could face as many as 14 days of scheduled blackouts this summer because of depleted reserves of natural gas
Los Angeles County supervisors voted Tuesday to set up a strike team of fire, public health and planning officials to look at the safety of oil and gas fields in unincorporated county areas.
Leaks are common in California's natural gas storage fields and are often left untreated for months, according to a survey taken after the massive leak in Aliso
To offset greenhouse gas emissions from the massive Porter Ranch leak, Southern California Gas Co. could pay to plug abandoned wells, install methane-gobbling
In 2014, Southern California Gas Co. asked state officials for a rate hike to pay for an ambitious, "highly proactive" safety program to test all 229 of its
Porter Ranch residents will have another week to return home as they transition out of temporary housing because of the gas leak in Aliso Canyon.
Southern California Gas Co. said Saturday that it has completed the cleaning of four public parks in Porter Ranch after residents complained about oily residue
Southern California Gas officials said Friday that they will hire a private contractor to conduct indoor air screening at a sampling of homes in the Porter
Life seemed normal at the park in Porter Ranch on Tuesday, as women power walked the perimeter, parents pushed toddlers in swings, men counted off pull-ups on
Southern California Gas Co. will have to continue paying for temporary accommodations for Porter Ranch residents who do not believe it is safe to move home in
The capping of a massive gas leak this month brought relief to the Porter Ranch community. But as thousands of displaced residents return to their homes, many
Southern California Gas Co. is appealing a court order extending the period during which the utility must pay for temporary housing for people displaced by the
Sempra Energy on Friday told investors that the company was implementing enhanced leak detection and inspections of the Aliso Canyon natural gas storage facility to help protect nearby communities.
A Los Angeles County Superior Court judge has ordered a 22-day extension of the time that Southern California Gas Co. will continue footing the bill for
The well failure at Southern California Gas Co.'s huge Aliso Canyon storage facility is evoking the worst of energy fears: snuffed-out pilot lights, rolling blackouts and a system too unreliable for the modern age.
Southern California Gas Co. is pressing to defeat state legislation to require new testing of all wells at its closed Aliso Canyon gas storage field before operations can restart at the field.
State officials on Thursday announced that the leaking natural gas well in Porter Ranch that spewed plumes of methane and other compounds into the atmosphere
As crews inch toward a permanent seal of the Porter Ranch gas leak, Los Angeles County officials called Monday for a series of air-quality tests that will tell residents whether it's safe to return home.
As crews wait for a cement plug to dry and permanently seal the leaking gas well that sickened and displaced thousands in Porter Ranch, residents are renewing their call for a list of safety measures to prevent a repeat of the long, slow environmental disaster.
The effort to permanently seal the leaking gas well that fouled the air above Porter Ranch for 31/2 months reached a prosaic stage Saturday.
A dramatic time-lapse video shot by the California Air Resources Board shows the plume of gas from the damaged Aliso Canyon well disappear over seven minutes as crews gained control of the leak. The footage was taken shortly before 8 a.m. Thursday.
Nearly four months of environmental contamination and civic disruption in Porter Ranch came close to an end Thursday when work crews pierced the underground
After Southern California Gas Co. announced Thursday that it had temporarily plugged a near Porter Ranch, relief washed over Michele Paull.
An emergency relief well is expected to intersect Southern California Gas Co.'s damaged injection gas well near Porter Ranch as soon as today.
An emergency relief well is expected to intersect Southern California Gas Co.'s damaged injection gas well near Porter Ranch as soon as Thursday, possibly
A relief well is within 20 feet of reaching the leaking Southern California Gas Co. well in Aliso Canyon that released tons of methane into the air and led to
Responding to complaints that customers would be rushed back to their homes after a gas leak in Aliso Canyon is repaired, Southern California Gas Co. said
A state official said Thursday that under the most favorable circumstances, the damaged well that has spewed environmentally damaging natural gas from a storage
A Los Angeles County supervisor wants residents who have been displaced by the Aliso Canyon gas leak to have as long as 30 days after the leak is plugged to
The natural gas leak in Aliso Canyon continues to reverberate in Sacramento, where air pollution officials are proposing new rules to reduce greenhouse
Southern California Gas Co. on Tuesday was charged with failing to immediately notify state authorities about the natural gas leak in Aliso Canyon.
The state Senate voted unanimously Thursday to order Southern California Gas Co. to stop using its wells at Aliso Canyon until they have been determined to be
U.S. Sens. Dianne Feinstein and Barbara Boxer want Energy Secretary Ernest Moniz to review the cause of and response to the natural gas leak at Southern
Why does affluent Porter Ranch get more urgent environmental relief than working-class Boyle Heights?
Two Los Angeles communities. Two environmental nightmares. Two very different responses from Gov. Jerry Brown.
One resident reported getting bloody noses for the first time in 40 years. Another described Christmas Eve vomiting in urgent care. Others say they've not felt
Southern California Gas Co. is providing air purifiers to schools within a five-mile radius of its leaking natural gas storage well in Aliso Canyon, officials have confirmed.
The California Public Utilities Commission is studying the effects of permanently shutting down the Aliso Canyon natural gas field near Porter Ranch, an
The government agency that regulates Southern California's air quality sued Southern California Gas Co. on Tuesday, accusing the company of negligence in a
Stephen Conley has flown pollution-detecting airplanes over some of the largest oil and gas fields in the nation. But never before has the UC Davis scientist
While the Southern California Gas Co. continues its work on a relief well that will, hopefully, stop the three-month-long gas leak near Porter Ranch, lawmakers
Regulators on Saturday approved a comprehensive abatement order that requires Southern California Gas Co. to take immediate steps to contain a massive natural
The Los Angeles city attorney has forced the Southern California Gas Co. to back down from a plan the utility quietly put in place this week to stop offering
Small businesses in the master-planned community of about 30,000 in the north San Fernando Valley are being pinched by declining revenue as residents move away until the massive leak can be fixed.
A natural gas leak that has forced thousands of San Fernando Valley residents to relocate will be be stopped by late February, and possibly earlier, officials with Southern California Gas Co. said late Monday.
When Bryan Caforio addressed disgruntled Porter Ranch residents packed into the West Hills Presbyterian Church for a meeting about the natural gas leak that has
As she visited her American quarter horse at stables just east of Porter Ranch, Debra Zavatto came across a frightening sight: blood coming out of the animal's
San Fernando Valley residents gather for a meeting with regulators and Southern California Gas Co. officials over a natural gas leak.
California utility regulators have asked Southern California Gas Co. to show that the ground around its leaking well is stable and that attempts to burn off
Southern California Gas Co.'s effort to plug its leaking natural gas well involves higher stakes than simply stopping the fumes that have sickened many
The first study of the health risks posed by emissions of benzene from a massive natural gas leak near Porter Ranch has found that cancer risk from the toxic air pollutant is similar to levels found throughout the Los Angeles Basin.
Hundreds of San Fernando Valley residents crowded into a high school gymnasium Saturday to express outrage over a gas leak that has sickened and displaced thousands from the Porter Ranch area.
The tab for dealing with the relocation of Porter Ranch students because of a gas leak has exceeded $5 million so far, and the total could significantly surpass that number, said David Holmquist, L.A. Unified's general counsel.
Air quality regulators and Southern California Gas Co. have agreed on a plan to capture and incinerate at least some of the natural gas from a leaking well that has sickened and displaced thousands of residents of Porter Ranch, according to a legal document filed this week.
Two weeks after the Los Angeles city attorney's office won a court order requiring Southern California Gas Co. to find temporary housing within 72 hours for
With ailing residents, displaced neighborhoods and a potential decline in property values, the leak at Southern California Gas Co.'s Aliso Canyon storage
It took a while, but Gov. Jerry Brown finally declared a state of emergency at Porter Ranch, where a 75-day-old natural gas leak has forced thousands of people
Gov. Jerry Brown on Wednesday ordered new regulations, including stepped-up inspections and safety measures, for all natural gas storage facilities in
Gov. Jerry Brown met with a handful of Porter Ranch residents and toured the site of a leaking natural gas well whose fumes forced many families from their homes.
Los Angeles County supervisors called on the state Tuesday to set up a new regulatory structure to oversee natural gas storage facilities like the one in Aliso Canyon that has been leaking for the past two months.
Southern California Gas Co. crews are erecting mesh screens around the utility's leaking natural gas injection well to prevent an oily mist from drifting off the site and across the nearby community of Porter Ranch.
A leaking natural gas well that has displaced thousands of residents in Porter Ranch lacked a working safety valve, sparking new questions about how the facility was maintained.
A commission that rules on changes in city boundaries will consider a moratorium on allowing Los Angeles to annex land for new housing developments around Porter Ranch.
A member of the state Assembly from Southern California plans to hold a hearing in January on Southern California Gas Co.¿s response to a gas leak in Aliso Canyon that has forced the evacuation of thousands of Porter Ranch residents.
Southern California Gas Co. officials said Sunday they have pinpointed the location of a leaking natural gas injection well that has displaced thousands of
Signs of Christmas along Danielle Rabadi's eerily quiet street have made her wistful for noel parties she has enjoyed in the Porter Ranch neighborhood, with
After prodding from city, SoCal Gas commits to faster and broader plan to relocate Porter Ranch residents
Under a court order brokered Wednesday, Southern California Gas Co. must work quickly to provide temporary housing for Porter Ranch residents who want to flee fumes from a massive natural gas leak.
The Los Angeles city attorney's office sought a court order Tuesday to move Porter Ranch residents into temporary housing more quickly to avoid fumes from a
Porter Ranch residents suffering from headaches, nausea and other symptoms from a natural gas leak that has displaced thousands are assigning blame to a damaged
As the natural gas leak in Aliso Canyon continues into its 10th week, its deleterious effects keep growing. Some 1,700 families in nearby Porter Ranch, sickened
More than 1,500 concerned residents of Porter Ranch and a battery of seasoned lawyers gathered in a church hall to discuss their response to a massive natural gas leak.
Los Angeles school district officials on Thursday authorized their legal staff to sue Southern California Gas Co. if necessary to recoup substantial costs
More than 1,500 people gathered in a Porter Ranch church auditorium Thursday evening, where medical experts addressed the possible health effects of a leaking
Los Angeles Unified School District officials were preparing Wednesday to close two elementary schools affected by a natural gas leak in Porter Ranch as many
Los Angeles County supervisors on Tuesday proclaimed a state of local emergency over a gas leak at a storage facility in Aliso Canyon that has sickened residents of nearby Porter Ranch.
Los Angeles school district officials are developing a plan to relocate students at two elementary schools affected by a nearby natural gas leak, The Times has learned.
California regulators are taking precautions so that crews do not ignite leaking methane gas as they work to plug a defective well north of Los Angeles, the state¿s oil and gas supervisor said Tuesday.
The Los Angeles City Council is urging Southern California Gas Co. to step up its assistance to Porter Ranch families displaced by the gas leak at its Aliso
A Porter Ranch family has filed a lawsuit against Southern California Gas Co. and Sempra Energy for failing to relocate the family or address their medical
State regulators Thursday ordered Southern California Gas Co. to provide detailed plans and schedules on how it will plug a natural gas leak that has sickened
Citing safety concerns, the Federal Aviation Administration has temporarily banned low-flying planes above a section of Porter Ranch affected by a gas leak.
Los Angeles City Atty. Mike Feuer announced Monday he was suing Southern California Gas Co. over how it has handled a natural gas leak that has sent sickening
Under orders from the Los Angeles County health department, Southern California Gas Co. is paying to relocate nearly 350 households in Porter Ranch affected by the odors of a nearby gas leak.
More than 280 families have fled their homes in Porter Ranch in the San Fernando Valley, sickened by the smell of a voluminous natural gas leak from underground
A group of Porter Ranch residents are suing Southern California Gas Co. and a state regulatory agency over a gas leak at a nearby storage facility that has gone
Southern California Gas Co. has temporarily relocated more than 130 families in the San Fernando Valley following a natural gas leak that has sickened residents
Air quality officials have cited Southern California Gas Co. officials over a monthlong gas leak that has been sickening residents in the San Fernando Valley community of Porter Ranch, and a county supervisors sharply criticized the utility Tuesday over the issue.
Southern California Gas Co. is warning that it might need several months to plug a natural gas leak that has been sickening residents in the San Fernando Valley