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California structural engineer discusses NY Bronx building collapse

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California structural engineer discusses NY Bronx building collapse


The entire corner of the Bronx apartment building gaped open where part of a 47-unit apartment complex collapsed around 3:30 Monday afternoon. 

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New York officials said after searching the debris, they were relieved that they did not find any victims in the rubble, after the corner of the seven-floor building came crashing down with people’s homes and possessions landing in a giant pile of bricks and debris.

Surveillance video from down the street shows people’s startled reactions when the corner of the structure at 1915 Billingsley Terrace collapsed and sent a cloud of dust into the street.

Angel Soto says he has lived there 12 years and was home inside the building.

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“The ground was shaking, and we thought it was an earthquake. And I told my mom the ground is shaking, and we opened the door and the supervisor said no, the building’s collapsing. You got to get out,” said Soto, who managed to escape with this mother and dog.

Firefighters arrived within minutes and rushed to launch an urgent search for anyone who might have been trapped under the rubble.

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Rescue crews tunneled into the debris pile and brought in canine units and drones to survey the area, as the rest of the building precariously hung overhead.

“Firefighters right now are in a dangerous position. We don’t know what caused this corner of the building to come down, and we don’t know if any more will come down, but we’re searching for life,” said FDNY Chief John Hodgens.

Some seven hours later, rescue crews said they had found no victims. Commissioner Laura Kavanagh called it miraculous.

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New York building inspection officials say construction crews had been working at the building to fix violations of the facade law.

“This is a 1927 building, 7 stories,” said James Oddo, Commissioner of the New York City Department of Buildings (DOB), “The owner of this building submitted their most recent report in March of 2021. That report did find unsafe facade conditions, seven of them. Mortar that was deteriorating, cracked bricks.”

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Oddo noted that facade violations apply to the building’s exterior and do not indicate a building’s structural integrity.

Emily Guglielmo, President of the Structural Engineers Association of California (SEAC), says engineers will be looking for specific clues to understand the failure.

“Did the foundation or sidewalk move up or move down that could have caused loss of support?” said Guglielmo, “Are there areas of distress or deterioration? Is there any adjacent construction happening, maybe on an adjacent property? Is there any sign of foundation movement? Were there perhaps new loads added in this portion of the structure that could have contributed? Was there construction ongoing perhaps to the facade that could have added to the collapse?”

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Guglielmo says the United States has no uniform laws mandating inspections of aging buildings, so it is left to local jurisdiction and building owners.

“Here in the Bay Area we have really great cities that are working to improve the building stock, especially for seismic safety,” said Guglielmo, “It’s also equally important for a building owner to have some responsibility in the health of their building, to continually look for signs of deterioration and distress.”  

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Guglielmo says some of those warning signs include cracks in bricks and walls, rotting wood, or rusting metal structures.

Along with the 47 residential units, the Bronx building had six businesses.  

New York officials say it’s not clear when people will be able to return. 
 



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California

US earthquake: Jolts of 3.5 magnitude rock South Pasadena; California wakes up to tremors

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US earthquake: Jolts of 3.5 magnitude rock South Pasadena; California wakes up to tremors


Things took a shaky turn on Sunday morning in the United States. According to the US Geological Survey, a 3.5 magnitude earthquake rocked the South Pasadena area. 

The 3.5 magnitude earthquake in the South Pasadena area occurred just before 10 am local time. (Representative file image)

Tremors struck the city in California just before 10 a.m. The USGS reported the seven-mile-deep quake hit about 2.3 miles north-northeast of South Pasadena and 2.4 miles east-northeast of Alhambra. Although no immediate damages or injuries were recorded, online accounts claimed that the earthquake was also felt throughout Los Angeles County. 

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NBC Los Angeles reported accounts of light shaking in San Gabriel Valley, parts of Los Angeles, Downey, Whittier, Studio City and Burbank. 

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Numerous social media users instantly took to their X/Twitter handles, sharing relatable memes as per the given situation. The Internet was all fired up, with Californians asking each other if they felt the tremors. Several netizens claimed that the quake was “short and heavy.” Due to the uncommonness of the phenomenon, people suggested how they weren’t used to the rattling. 

Netizens react to the South Pasadena earthquake, sharing their experiences

@jmeucci wrote on X: “Eagle Rock checking in…that was the shortest but most violent #earthquake I’ve experienced yet. 😳” 

@edgarrmcgregor tweeted: “Shaking lasted only 2 seconds, but the whole house shook.” Another post from the same user followed soon: “The reason why even small earthquake are frightening is because you have no idea what is truly coming. It could end in 3 seconds and we’ll forget about it tomorrow, or the Big One could be upon us. In that 2-20 second waiting game, your decision can mean everything.” 

@PamelaChelin said: “OK, that #earthquake was scary and sent my dog running around fearfully.” In a follow-up tweet, she quipped at the situation and wrote, “Critics gave the earthquake a 3.5 stars out of 5, saying it was compelling enough to give audiences a jolt, but fizzled out quickly and left audiences underwhelmed.”

This is a developing story.

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Corral Fire in California burns 11K acres, forces evacuations

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Corral Fire in California burns 11K acres, forces evacuations


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A wind-driven wildfire in Tracy, California, burned 11,000 acres and forced many residents to evacuate on Saturday.

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The Corral Fire was first reported around 2:30 p.m. east of Lawrence Livermore National Laboratory’s Site 300. It reached nearly 11,050 acres, with 13% containment, at 11:30 p.m., California Fire said on its website.

Residents east of Highway 580 between Corral Hollow Road and South Tracy Boulevard were the first to be instructed to leave by the San Joaquin County Office of Emergency Services, according to KTVU and CBS News.

The evacuations were then expanded to people living west of the California Aqueduct, west to Alameda County and south to Stanislaus County, the county office said on social media.

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Two firefighters suffered burn injuries on Saturday. (KTVU)

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A temporary evacuation station was established at Larch Clover Community Center.

Two firefighters suffered burn injuries on Saturday, the Alameda County Fire Department said.

Site 300 houses facilities to support the development of explosive materials and hydrodynamic testing and diagnostics, according to the laboratory’s website. The facility assesses the operation of non-nuclear weapon components through hydrodynamic testing and tests new conventional explosives for use as part of the nuclear stockpile.

WILDFIRE WITH ‘ZERO CONTAINMENT’ CLOSES IN ON SMALL ARIZONA TOWN

Corral Fire in California

A wind-driven wildfire in Tracy, California, burned 11,000 acres and forced many residents to evacuate. (KTVU)

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Winds in the hills west of Tracy were estimated at 20 to 25 mph, with gusting to 43 mph, according to the National Weather Service.

The cause of the fire is unclear.



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California firefighters battle wind-driven wildfire east of San Francisco

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California firefighters battle wind-driven wildfire east of San Francisco


SAN FRANCISCO — California firefighters aided by aircraft battled a wind-driven wildfire burning Saturday in an area straddling the San Francisco Bay Area and central California, authorities said.

Gusty winds have fueled the Corral Fire burning near the city of Tracy, 60 miles (96 kilometers) east of San Francisco, and the Lawrence Livermore National Laboratory in the city of Livermore, according to the California Department of Forestry and Fire Protection, or Cal Fire.

The blaze grew to 7 square miles (18 square kilometers) within hours, sending dark plumes of smoke high into the sky. It was 40% contained, Cal Fire said.

Interstate 580, which connects the San Francisco Bay Area to San Joaquin County in central California, was closed in both directions from Corral Hollow Road to Interstate 5 due to the lack of visibility from the smoke, the California Department of Transportation said in a statement.

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The San Joaquin County Office of Emergency Services issued an evacuation order, pinpointing the wildfire in an area east of Interstate 580. Residents between Corral Hollow Road and Tracy Boulevard were ordered to leave their homes, with residents south of Tracy Boulevard told to be prepared for evacuation.



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