For miles across the small Turkish metropolis of Erzin, the earth is shattered and buildings are razed, cities and cities became tombs of concrete by final week’s 7.8-magnitude earthquake.

However Erzin nonetheless stands, an oasis of stability close to the Mediterranean, the place the query of why the town weathered the quake and a strong aftershock — and so many others didn’t, leaving greater than 40,000 useless in Turkey and Syria — is consuming the inhabitants. In Erzin, the mayor stated, nobody died and never a single constructing fell.

The mayor virtually instantly seized the second to boast that he had lengthy prevented slipshod development, now the main target of the authorities round Turkey. However engineers and scientists credited different components combining to avoid wasting the town, like higher development that adopted the newest seismic codes, and Erzin’s fortunate location on very stable floor.

“Soil situation is the primary purpose why we don’t have heavy injury,” stated Omer Emre, a geomorphologist who has spent 40 years learning the area’s fault strains and now works with a personal analysis group, Fugro.

Erzin lies lower than 50 miles from the earthquake’s epicenter, nearer than cities to the south like Iskenderun and Antakya. However Antakya was devastated, a lot of it diminished to rubble, and Iskenderun was badly hit, with a significant hearth on the port, seawater flooding the streets, and residences and retailers destroyed.

Many cities and villages of the area have been constructed atop the layers of sand, silt and clay of an historical riverbed. That soil, just like the comfortable coastal floor beneath Iskenderun, was extra inclined to shaking, Mr. Emre stated.

“These comfortable, water-laden sediments make cities and villages uniquely weak to earthquakes,” he stated. When one strikes, he added, “this land, it strikes like a wave.”

In distinction, Erzin stands larger above sea stage, and is constructed on laborious floor comprising “bedrock and coarser grains than sand,” stated Tamer Duman, a geographer.

The laborious soil acts as a shock absorber between constructions and a quake’s waves, decreasing buildings’ sway, he stated.

Geologists stated there have been different instances the place tougher soil had curbed the injury, together with in 1999, when a small village known as Tavsancil withstood a 7.6-magnitude earthquake that killed hundreds in western Turkey. And throughout the zone rocked by final week’s quake and a whole lot of aftershocks, there are numerous hanging examples of neighborhoods largely intact when different components of the identical cities have been leveled, prompting residents to marvel what accounted for the variations.

In one of many world’s most seismically lively areas, Turkey has lengthy had seismic codes for builders, upgraded over the previous couple of a long time. The authorities have now turned their consideration to discovering contractors who may very well be held liable for collapses, and have already detained dozens. Builders have been accused of utilizing low-cost supplies and skirting constructing codes to expedite initiatives and fatten income — erecting constructions that would not survive quakes.

Taking over that theme, Erzin’s mayor, Okkes Elmasoglu has framed himself as an unsung hero who stopped unhealthy builders.

“With critical willpower, the mayor hasn’t allowed for unlawful development up to now 4 years,” stated an adviser to the mayor, Eray Guner, asserting that his workplace had reported nefarious contractors to prosecutors and ordered demolitions of shoddy initiatives.

A number of engineers downplayed the mayor’s claims, however acknowledged that the town had good engineers, and that lax regulation enforcement had performed a task within the devastation exterior Erzin.

“That is our downside in Turkey: Anybody on this nation with land can resolve to construct — a butcher, a farmer, a chef,” stated a civil engineer from Iskenderun, who declined to provide his identify for worry of retribution for criticizing the federal government’s oversight.

He stated that many builders have been inexperienced and uneducated about rules, just like the seismic code for sturdy foundations.

“I’ve picked up concrete that fell by means of my fingers like sand,” stated the engineer, who had traveled to Iskenderun to survey for proof of malpractice. He described beams that have been too skinny, product of low-cost metal and related by flimsy fixtures. “An earthquake was not the actual killer right here,” he stated. “This was concerning the high quality of our development.”

Others echoed latest criticism of President Recep Tayyip Erdogan’s authorities over laws, enacted a number of years in the past, that allowed property homeowners to pay a price to have development violations forgiven with out bringing their buildings as much as code.

“We advised the federal government to impose engineering inspections earlier than granting amnesty,” stated Orhan Sarialtun, a board member of the Union of Chambers of Turkish Engineers and Architects, a bunch typically at odds with Mr. Erdogan’s celebration.

Mr. Sarialtun additionally stated that builders who wished to bypass rules would arrange non-public inspection companies on behalf of kin. “They started to examine themselves,” he stated.

Now, he stated, inspection corporations and metropolis governments needs to be investigated alongside builders. “Coming down solely on contractors is shoving the accountability off the federal government’s shoulders,” he stated.

He attributed Erzin’s good situation to the truth that it had largely developed during the last 20 years, with higher development following the newest seismic codes. “The buildings have been constructed abiding by the rules,” he stated. “In any other case, it might have collapsed as effectively.”

Many residents applauded native engineers. Throughout the earthquake, Hasan Aksoy stated, he was jolted awake by the swaying of his sixth-floor house — in one of many district’s tallest buildings.

“The constructing was dancing,” stated Mr. Aksoy, 39. He waited a number of minutes for the motion to gradual, then spirited his spouse and two kids exterior. The following day, he known as the constructing’s engineer, a pal, to thank him.

“This quake is a testomony to his good work,” he stated.

His pal, Cem Erzinli, stated he had obtained a flurry of comparable calls from residents.

“Erzin deserves its second to shine,” he stated.

Others have been bluntly crucial of metropolis leaders. “This had nothing to do with our mayor,” stated Seref Vural, a neighborhood official.

“Our mayor’s brags have solely ensured that help won’t attain our people who find themselves nonetheless sleeping within the streets,” he stated, referring to hundreds of residents who don’t really feel secure returning dwelling but.

The mayor’s workplace declined to touch upon criticisms from residents. However almost 10 days after the earthquake, whilst life regained a level of normalcy, many nonetheless felt an intense worry about unstable buildings.

“We thought it was doomsday,” stated Ayse Al, a 46-year-old landlord who, with about 30 tenants, was staying in one of many many reduction tents dotting road corners and parks. She stated that she and the others have been nonetheless too afraid to return to dwelling, although she added, “After all we really feel we’re fortunate — now we have no casualties.”

Reminders of the earthquake are seen in lots of locations: cracks by means of storefronts, fractures alongside buildings of the town’s primary drag, particles from a mosque minaret, crumbled on the sidewalk.

“It’s surreal,” stated Mr. Erzinli, including that it was nothing just like the sprawling destruction not far-off. Initially from Iskenderun, the devastated port metropolis, Mr. Erzinli had spent two days trying to find a pal there, within the rubble close to the ruined metropolis middle.

“A couple of days earlier we have been laughing and consuming tea — then I bought a name that he was lacking,” he stated. His pal’s household solely recovered his physique this week.