Magnitude 5.0 earthquake shakes central Oklahoma

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Magnitude 5.0 earthquake shakes central Oklahoma

 

CUSHING, Okla. (AP) — A magnitude 5.0 earthquake has shaken central Oklahoma, causing damage to some structures.

 

The U.S. Geological Survey reported the earthquake struck at 7:44 p.m. CST, with an epicenter located one mile west of Cushing, about 50 miles northeast of Oklahoma City. The USGS initially stated it was a magnitude 5.3 earthquake but lowered that rating to 5.0.

 

The quake was felt as far away as Kansas City, Missouri, and Little Rock, Arkansas.

 

The Cushing Police Department reported "quite a bit of damage" from the earthquake but details were not immediately available. Photos posted to social media show piles of debris at the base of commercial buildings in the city.

 

Cushing, which has a population of about 7,900, bills itself as the "Pipeline Crossroads of the World." It is home to the Cushing Tank Farm, a massive oil storage facility that's touted as the world's largest.

 

The Oklahoma Corporation Commission and the Oklahoma Geological Survey reported that the OCC's Pipeline Safety Department has been in contact with pipeline operators at the facility and that there have been no immediate reports of any problems from the earthquake. They said the assessment of the infrastructure continues.

 

According to USGS data, there have been 19 earthquakes in Oklahoma in the past week, including a 4.5 magnitude earthquake struck the northern part of Oklahoma last week, with an epicenter near Pawnee.

 

Scientists have linked Oklahoma's sharp increase in earthquakes to the underground disposal of wastewater from oil and gas production.

 

The Oklahoma Corporation Commission has shut down some disposal wells and ordered a reduction in the amount of wastewater disposed of in others.

 

-- © Associated Press 2016-11-07

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Quake near Oklahoma oil hub prompts infrastructure concerns 
JUSTIN JUOZAPAVICIUS, Associated Press

 

CUSHING, Okla. (AP) — A 5.0-magnitude earthquake centered near one of the world's key oil hubs brought down building facades and shattered windows, triggering fears the temblor may have damaged key infrastructure and rendered century-old buildings unsafe in the latest Oklahoma town rattled by increasingly strong quakes.

 

Cushing Assistant City Manager Jeremy Frazier told a news conference late Sunday that a few minor injuries were reported. He said the damage appeared to be contained to downtown, where piles of debris sat at the base of some commercial buildings.

 

Fearing aftershocks, police cordoned off older parts of the city to keep gawkers away. Frazier said an assisted living community had been evacuated after damage was reported. The Cushing Public School District canceled Monday classes.

 

"Stay out of the area," said City Manager Steve Spears, who noted that while some damage was superficial, compromised foundations and other potential problems would be difficult to assess until daylight in the city of 7,900 about 50 miles northeast of Oklahoma City.

 

City officials have scheduled a news conference Monday morning to discuss the quake's impact.

 

The Oklahoma Department of Transportation reported Sunday night that no highway or bridge damage was found within a 15-mile radius of the earthquake's epicenter.

 

The Oklahoma Corporation Commission said it and the Oklahoma Geological Survey were investigating after the quake, which struck at 7:44 p.m. Sunday and was felt as far away as Iowa, Illinois and Texas. The U.S. Geological Survey initially said Sunday's quake was of magnitude 5.3 but later lowered the reading to 5.0.

 

Oklahoma has had thousands of earthquakes in recent years, with nearly all traced to the underground injection of wastewater left over from oil and gas production. Sunday's quake was centered one mile west of Cushing — and about 25 miles south of where a magnitude 4.3 quake forced a shutdown of several wells last week.

 

"I thought my whole trailer was going to tip over, it was shaking it so bad," said Cushing resident Cindy Roe, 50. "It was loud and all the lights went out and you could hear things falling on the ground.

 

"It was awful and I don't want to have another one."

 

Cushing's oil storage terminal is one of the world's largest. As of Oct. 28, tank farms in the countryside around Cushing held 58.5 million barrels of crude oil, according to data from the U.S. Energy Information Administration. The community bills itself as the "Pipeline Crossroads of the World."

 

Frazier said two pipeline companies had reported no trouble as of late Sunday but that the community hadn't heard from all companies.

 

Megan Gustafson and Jonathan Gillespie were working at a Cushing McDonald's when the quake hit.

 

"It felt like a train was going right through the building, actually," Gustafson, 17, said Sunday night as she and her co-workers stood behind a police barricade downtown, looking for damage. "I kind of freaked out and was hyperventilating a bit."

 

Gillespie described the building as shaking for about 10 seconds or so. But he said he wasn't as alarmed as Gustafson because he lives in an area that has experienced multiple earthquakes, especially in recent years.

 

"I didn't think it was anything new," he said.

 

According to USGS data, there have been 19 earthquakes in Oklahoma in the past week. When particularly strong quakes hit, the Oklahoma Corporation Commission directs well operators to seize wastewater injections or reduce volume.

 

A 5.8 earthquake — a record for Oklahoma — hit Pawnee on Sept. 3. Shortly afterward, geologists speculated on whether the temblor occurred on a previously unknown fault.

 

"I was at home doing some work in my office and, basically, you could feel the whole house sway some. It's beginning to become normal," Spears, the Cushing city manager, said Sunday night. "Nothing surprises you anyway."

 

-- © Associated Press 2016-11-07

[ilostmypassword]

Now, the oil industry gets not only to deny human-caused global warming, but human-caused global shaking.

[rice555]

Hello All, that maybe partly correct, but close to one of the

biggest quakes in the US.

rice555