[Sinkholes] creating a google map pinpointing all of them for 2012.

Large sinkhole forms in downtown Ottawa today 8-metre diameter, 12-metre depth.

http://www.cbc.ca/news/canada/ottawa/large-sinkhole-on-ottawa-light-rail-tunnel-site-cause-unknown-1.2546074
 
That is a sinkhole from 2011.

I'm posting it here in case it was missed:

12 meter deep 'Sinkhole' appears in Guatemala bedroom:
http://www.bbc.co.uk/news/world-latin-america-14252489
 
30-foot sinkhole develops behind Federal Courthouse in Boston

http://www.boston.com/news/source/2014/03/30-foot_sink_hole_develops_behind_federal_courthouse_in_bost.html
 
Two more sinkholes in Bosnia, this time in Tuzla. One of them is still growing: https://www.youtube.com/watch?v=K1Jiu2SJkNc
 
Sinkhole in Mexico City

23th May, 2014 ._http://www.excelsior.com.mx/comunidad/2014/05/23/960948 (spanish) A sinkhole originated in Iztapalapa, Mexico City, around 20 families were evacuated, the sinkhole is 15 meter wide for almost 10 meters depth. _http://www.youtube.com/watch?v=a55uJ9UlkBE

It seems it was not the first one in the area, this one from 2007, _http://www.washingtonpost.com/wp-dyn/content/article/2007/07/09/AR2007070901422.html
 
Norfolk, Va. (WAVY) - 20.5

_http://wavy.com/2014/05/20/another-sinkhole-pops-up-in-norfolk/

Newbury, UK - 22.5

_http://www.localberkshire.co.uk/news/roundup/articles/2014/05/21/100446-twofoot-sinkhole-closes-road/

MILTON, Vt. -A big hazard on the highway Thursday morning in Chittenden County - 22.5

_http://www.wcax.com/story/25588951/sinkhole-slows-traffic-on-interstate-89

Manhattan 22.5

_http://gizmodo.com/a-giant-sinkhole-just-opened-up-in-the-middle-of-manhat-1580212574?utm_campaign=socialflow_gizmodo_facebook&utm_source=gizmodo_facebook&utm_medium=socialflow

Breckenridge, Colorado 23.5

_http://www.9news.com/story/news/local/2014/05/23/sinkhole-opens-at-property-near-breckenridge/9518549/
 
Worker's body found buried after he falls 12 feet into pit
_http://articles.sun-sentinel.com/2014-06-27/news/fl-worker-trapped-20140627_1_rescue-team-construction-work-express-lanes

PEMBROKE PARK, Florida - Friday June 27, 2014 - A worker was killed at a construction site Friday when the ground caved in beneath him and dropped him about 12 feet into a hole, leaving his body covered in sandy dirt with only his feet exposed, officials said.

The deadly accident set off a massive multi-agency effort to dig him out and snarled traffic for hours near Interstate 95's southbound ramp to Hallandale Beach Boulevard.

The moment the ground collapsed, two laborers tried to rescue the fallen worker, but could not reach him, Broward sheriff's spokeswoman Gina Carter said.

"Two jumped in after him," she said. "They realized they couldn't help him."

The man had jumped off excavating machinery he was standing on. He landed on the lip of a trench where the ground beneath him gave way and caused him to fall into the hole, Broward Sheriff Fire Rescue spokesman Mike Jachles said.

The man's co-workers called 911 for help about 1:45 p.m.

"He was mostly buried with just parts of his limbs visible," Jachles said, referring to the man's feet. "The technical rescue team had to secure that hole. You can't just rush in. You can have a secondary cave-in or collapse."

The rescue team approached the site with caution and "structurally reinforced" the potentially dangerous and unstable ground before attempting to rescue the man, he said. They reached him within about 15 minutes, authorities said.

Rescuers dug out the man from about a foot and a half of dirt and pronounced him dead.

With the help of an aerial platform, the man's body was hoisted out of the hole — about 14 feet wide — and retrieved at 4:31 p.m., Jachles said.

The man was working for a subcontractor doing construction work on the ramp, Carter said.

Authorities have not released the man's name, nor said which company employed him.

The construction work is part of a transit project adding express lanes along I-95 between Broward Boulevard and the Golden Glades interchange. The overpass at Hallandale Beach Boulevard was being widened to accommodate express lanes.

How the accident happened is under investigation by the U.S. Labor Department's Occupational Safety & Health Administration.

Investigators from the federal agency were on scene along with responders from Fort Lauderdale, Hollywood and Miramar Fire-Rescue.

Such rescue efforts are labor intensive.

"You have to rotate manpower very quickly," Jachles said. "Technical-rescue operations are delicate operations, because you can easily disrupt something and cause further collapse, compounding the problem."

No one else was hurt.

Friday's incident was at least the fourth construction or industrial-related fatality investigated by OSHA in Broward County since June 10.

In Weston, a construction worker diving in a ditch and working in an underwater pipe failed to surface on June 10. When he did, it was too late. Ernesto Rodriguez, 45, of Hialeah, was pronounced dead at the hospital.

Two days after that fatality, another construction worker was killed by the boom of a falling crane in Hallandale Beach. Christopher J. Ricci, 27, of Sunrise, died instantly, police said.

And on Monday, a laborer died after apparently going through a wood chipper while clearing debris in Davie. Hernan Gutierrez, 42, was feeding tree limbs and branches into the wood chipper when the accident happened.
 
Sinkholes, Disappearing Lake Threaten South Korea's Lotte World Tower Skyscraper

South Korea’s Lotte World Tower, which was designed to be one of the tallest skyscrapers in the world upon completion, is being threatened by the sudden appearance of sinkholes in the area. The sinkholes, which are destroying streets in the surrounding residential area, come as a nearby lake has also begun to disappear, two problems that could delay construction of the skyscraper indefinitely.

The Lotte World Tower, first unveiled in 1995, is to reach more than 1,800 feet high when it’s finished in 2016 but, as crews get closer to that date, problems complicating the construction are becoming more serious. Multiple sinkholes were reported in the last two months in the Songpa neighborhood, the area in Seoul the Lotte World Tower calls home. One hole, the Associated Press said, is 1,640 feet from the construction site and measured 1.5 feet wide and nearly 8 inches deep.

Images of more serious sinkholes have gained traction on social media with each new discovery.

Sinkholes appear for a variety of reasons, human fault being one of them. The sudden cracks in the earth happen after years of dissolution just beneath the surface. Often, erosion is hastened by a sudden influx of water or outflow of water, depending on the type of rock underlying the soil in an area. A sinkhole made international headlines earlier this year when it swallowed eight corvettes that, just moments before, were sitting safely inside the National Corvette Museum in Bowling Green, Kentucky.

The questions for Korean officials are complicated by word a small lake not far from the Lotte World Tower site has seen its water level drop from 16.5 feet to 14 feet. Park Chang-khun, a civil engineering professor at Kwandong University, told the AP underground water was pooling in the sixth basement level of the Lotte building, with water displaced from the lake being pointed to as the likeliest suspect. The Lotte Group overseeing the tower’s rise has promised there is no danger, though those assurances have done little to sway public opinion.

“It has not guaranteed safety psychologically,” Park said. “Ordinary people would feel even more nervous when Lotte keeps saying it is safe architecture engineering wise.”

An environmental review aims to find out if the sinkholes and other oddities have in fact been caused by construction on the Lotte World Tower but, with more than half of the 123 stories complete, the undertaking is also being examined with the recent Sewol tragedy in mind. Approximately 300 people, most of them students, were killed in April when a South Korean ferry capsized, which prompted government officials to refocus on safety standards and accident preparedness.

Sinkholes have been a problem for South Korea in the past, with Korean news station Arirang TV reporting in the past five years alone, Seoul has seen 133 sinkholes develop.

_http://www.ibtimes.com/sinkholes-disappearing-lake-threaten-south-koreas-lotte-world-tower-skyscraper-video-1647448

I think that, considering the present Earth Changes, these Super Towers are one of the dumbest projects ever!
 
Sinkhole and seepage activity under Tennessee Boone Reservoir Dam.

Sinkhole develops under dam in US — 7 nuclear reactors downstream — Water now seeping out — Gov’t notified of ‘stability issues’, plants begin evaluating potential flood impacts — Official: An ‘uncommon’ occurrence, we’re monitoring it continuously and working around clock — Structure same height as Niagra Falls (PHOTOS)

_http://enenews.com/sinkhole-develops-dam-water-starting-seep-base-7-nuclear-reactors-downstream-nrc-notified-event-plants-evaluating-potential-impact-flooding-official-uncommon-occurrence-monitoring-continuousl


Seepage at bottom of dam causes early lowering of Boone Lake - PHOTOS
_http://www.johnsoncitypress.com/article/121661/seepage-at-bottom-of-dam-causes-early-lowering-of-boone-lake-photos

A chink in the Boone Dam’s armor has Tennessee Valley Authority officials starting the annual depth drawdown of Boone Lake about five weeks ahead of schedule.

When an Oct. 20 inspection of the dam revealed a sink hole — a common occurrence — TVA workers repaired it quickly. Six days later, an uncommon occurrence happened when seepage was found near the location of the sink hole at the base of the dam.

Over the course of the next 11 days, McCormick said the TVA will be bringing down the water level about 11 more feet to the necessary mark of 1,362 feet, which is what he calls the “winter pool” level. The rate at which the TVA can drop the lake maxes out at 2 feet per day and 7 feet for the week.
 
Just came across this-more signs of the Earth opening up as the Cs say?


china-fire-sinkhole.png

April 2015 – CHINA – A blazing sinkhole in northwest China terrified locals, attracting tourists as well as researchers and prompting questions about its origin. The temperature on top of the burning crater was estimated to be 792 degrees Celsius (1,457 degrees Fahrenheit). Due to the deadly heat, scientists have been unable to come close enough to the crater to measure how deep it really is. Located in the Xinjiang Uighur Autonomous Region, near Urumqi, in northwest China, the sinkhole is 0.9 meters (3 feet) wide.

It is hot enough to light up branches and other objects placed next to it. Various tourist videos show people setting things on fire. Locals have dubbed it a “gateway to hell.” Many have told the Chinese media that the ground in the area has been hot for some time now. There is no volcanic activity in the region, which led scientists from the Xinjiang Meitian Geological Bureau to believe that the sinkhole was created out of coal seam spontaneously combusting. The area was reportedly used for mining in the 1970s, China Central TV cited a supervisor from Xinjiang Meitian Fire Engineering Bureau, Chen Long, as saying, the Daily Mail reported.

“Primitive mining and extinguishing techniques caused coal to burn deep under the ground,” Chen said. “Operators didn’t seal the mines properly after business discontinued and this leads the underground fire to burn towards the surface of the earth.” Similar phenomena on a larger scale were spotted in Turkmenistan and America’s Pennsylvania. The former, referred to as the “the door to hell,” is a gas crater that has been burning in a Turkmen desert for more than 40 years. The one in Pennsylvania is a coal mine fire that has been burning since May 1962. –RT News

https://theextinctionprotocol.wordpress.com/2015/04/17/mysterious-blazing-sinkhole-shocks-chinese-village/
{emphases mine}
 
Massive Sinkhole That Swallowed Florida Man Reopens, Two Years Later
http://abcnews.go.com/US/massive-sinkhole-swallowed-florida-man-reopens-years/story?id=33181156

Thursday August 20, 2015 - ABC News

A 17-foot-wide sinkhole that killed a Florida resident in 2013 has re-opened in the same location it once did two years ago, authorities said.

The hole opened again at 9:30 a.m. today at 240 Faithway Drive in Seffner and is about 20 feet deep, according to Larry McKinnon of the Hillsborough County Sheriff’s Office.

“The hole opened up exactly where it was last time,” McKinnon told ABC News today. “Code enforcement is out there now and they are waiting on specialists and geologists to survey the site and determine what to do next. Not only is it very rare, but here, there was a fatality.”


PHOTO: Engineers in safety equipment cross in front of a home where a sinkhole opened up underneath a bedroom and swallowed Jeffrey Bush, in Seffner, Fla., March 2, 2013.

In March 2013, Jeffrey Bush was asleep in his bedroom when the floor collapsed beneath him and he fell inside, ABC News reported at the time.

His brother, Jeremy Bush was inside the home when the incident occurred, but failed at his attempt to rescue him.

The 36-year-old’s body was never recovered.

Hillsborough County Sheriff

PHOTO: The sinkhole that killed Jeffrey Bush in 2013 re-opened on Aug. 19, 2015 in Seffner, Fla.

“It’s the same site it was in 2013 but of course, the property had been fenced off, the house had been demolished, and the hole had been filled in,” McKinnon said. “We’ve seen them reopen before. Generally when they fill them in, they are pretty stable — subsequent to that of repairs, so it is pretty rare that it reopened to the extent of this. Our biggest thing is we’ve cordoned off the area in case it does expand, nobody is injured.

“Specialists are surveying the surrounding areas to check for other caverns that are vulnerable to collapsing as well,” he added.
 
_http://www.theyucatantimes.com/2015/08/enormous-sinkhole-opens-up-in-the-middle-of-playa-del-carmen-cancun-highway/ said:
Enormous Sinkhole Opens up in the Middle of Playa del Carmen-Cancun Highway

A sinkhole appeared suddenly in the middle of the Playa del Carmen-Cancun highway on Wednesday August 26th, around 4 in the morning, causing the total collapse of the road in both directions, however, it seems not to be a common sinking, but literally the “birth” of a ‘cenote’.

This was announced by Martin Estrada, head of the municipal police of Solidaridad, Quintana Roo. He reported that so far there’s only one person (not seriously) injured and one damaged vehicle.

Authorities closed down the Federal Road towards Puerto Morelos, near the Iberostar Hotel. In fact, the initial report of this “trench” was done by staff of the hotel.

The cavity is approximately 10 meters wide and one meter deep, it is estimated that 3.5 tons of asphalt were displaced, however, inhabitants of the area speculate that this could be the “birth” of a cenote, or a cavern that harbor to an underground river, that was probably covered up when the road was built.

The recommendation for all motorists is to use the alternate route Nuevo Xcan – Playa del Carmen.

On Wednesday August 25th, local authorities made a call on all drivers heading to Cancun International Airport from Playa del Carmen and workers going from Cancun to Playa, to slow down and be cautious while driving by the area of the incident.

another source (Spanish) says that it was due a fracture in a cenote ... fracture or birht from would pretty much the same thing, isn't it?, that area is full of cenotes, though. _http://www.proceso.com.mx/413912/2015/08/27/se-hunde-carretera-que-comunica-a-cancun-con-playa-del-carmen
 
Meridian, Mississippi - sinkhole swallows 14 or more cars parked in a IHOP parking lot.

Giant ‘Sinkhole’ Swallows Over Dozen Cars at Mississippi International House of Pancakes (video)
http://www.nbcnews.com/news/us-news/giant-sinkhole-swallows-over-dozen-cars-mississippi-international-house-pancakes-n459466

A giant 'sinkhole' about 50-feet wide opened up in an IHOP parking lot in Mississippi over the weekend, swallowing at least 14 vehicles, officials said.

At about 7:15 p.m. CT Saturday night, "we received a call of vehicles going through the pavement at the IHOP in Meridian," Patrol Lieutenant Rita Jack with Meridian Police told NBC News.

"The sinkhole is huge," said Jack. "If you imagine a football field cut in half, it is every bit of 50 feet wide and about 100 - 125 feet wide. We are talking 14 to 15 vehicles. It is very scary. We are so fortunate that no injuries were sustained. We are gonna keep it under observation until we know that it is clear and safe."
 
‘It’s A Monster’: Massive Sinkhole Closes Part of Oregon Highway 101 (Photos - Video)
http://www.nbcnews.com/news/us-news/it-s-monster-massive-sinkhole-closes-part-oregon-highway-101-n506766

A huge sinkhole that won’t stop growing has shut down a stretch of Highway 101 in coastal Oregon.

“It’s massive. There’s just no other way to describe it,” Jared Castle, Department of Transportation spokesman for southwest Oregon, told NBC News.

The state closed down part of 101 in Harbor, Oregon, on Thursday night due to the sinkhole, which is the second sinkhole in as many months in the area. The first one opened on Dec. 13 in a restaurant parking lot next to the highway and, like Thursday’s sinkhole, just kept growing.

The two sinkholes “probably have now met,” Castle said, creating one gaping hole in the highway.

“It’s a monster,” he said. Officials did not know how big it was, but said its depth exceeds 60 feet.

There have been no injuries or evacuations, and officials have re-routed traffic to a detour that runs parallel to the highway, which Castle says will only add 5 or 10 minutes to drivers’ commutes.

The sinkholes formed after a series of heavy rains pounded the Oregon coast, causing a landslide north of Harbor and shutting down other highways due to debris flow.

Sinkholes and landslides frequently occur in the region because of the geology of the area, Castle said.
 
angelburst29 said:
‘It’s A Monster’: Massive Sinkhole Closes Part of Oregon Highway 101 (Photos - Video)
http://www.nbcnews.com/news/us-news/it-s-monster-massive-sinkhole-closes-part-oregon-highway-101-n506766

A huge sinkhole that won’t stop growing has shut down a stretch of Highway 101 in coastal Oregon.

“It’s massive. There’s just no other way to describe it,” Jared Castle, Department of Transportation spokesman for southwest Oregon, told NBC News.

The state closed down part of 101 in Harbor, Oregon, on Thursday night due to the sinkhole, which is the second sinkhole in as many months in the area. The first one opened on Dec. 13 in a restaurant parking lot next to the highway and, like Thursday’s sinkhole, just kept growing.

The two sinkholes “probably have now met,” Castle said, creating one gaping hole in the highway.

“It’s a monster,” he said. Officials did not know how big it was, but said its depth exceeds 60 feet.

There have been no injuries or evacuations, and officials have re-routed traffic to a detour that runs parallel to the highway, which Castle says will only add 5 or 10 minutes to drivers’ commutes.

The sinkholes formed after a series of heavy rains pounded the Oregon coast, causing a landslide north of Harbor and shutting down other highways due to debris flow.

Sinkholes and landslides frequently occur in the region because of the geology of the area, Castle said.


I don't know if it was noted or not but another sinkhole that had appeared, after heavy rains in December in Rainier, Oregon continues to be a problem.

Rainier sinkhole widens, officials baffled why (Video)
http://koin.com/2016/01/01/rainier-sinkhole-widens-officials-baffled-why/

A widening sinkhole in Rainier has plenty of water running through it but no one knows where it’s going — and it’s costing ODOT about $10,000 a day to keep it from getting worse.

The sinkhole was spotted December 11 during the record-setting rainstorms that flooded parts of Oregon. It’s affecting the back of Earth and Sun stove shop , and co-owner Jewel Forrest said the water is “just going somewhere and they’re not sure where and how the damage, what it’s really caused.”
 
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