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March 14, 2025 27 mins
EPISODE 3: "UNDER THE RUBBLE: STRUCTURAL COLLAPSE" This episode explores survival beneath collapsed man-made structures, centered on three powerful stories:
  • Haiti Earthquake Survivors (2010): The extraordinary case of Evans Monsignac, who survived 27 days buried in the ruins of a Port-au-Prince marketplace after Haiti's devastating earthquake, challenging medical understanding of survival limits.
  • Mexico City Earthquakes (1985 & 2017): The parallel stories of earthquake survivors in Mexico City's unique geological context, including Yusleidi Figueroa's 36-hour entrapment in a tilted but intact office space, and the controversial search for "Frida Sofia."
  • The Oklahoma City Bombing (1995): Survivors of America's deadliest domestic terrorist attack prior to 9/11, including Florence Rogers, who witnessed her colleagues' deaths when a conference room floor sheared away, exploring how terrorist attacks create unique psychological challenges.


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Episode Transcript

Available transcripts are automatically generated. Complete accuracy is not guaranteed.
Speaker 1 (00:00):
Episode three, Under the Rubble structural collapse. The sound came first,
a low, ominous rumble that Evans Monsignac would later describe
as the earth clearing its throat, then the violent shaking
in the crowded marketplace of Porto Prince, Haiti. Vendors and
shoppers had no time to flee as concrete columns cracked,

(00:24):
floors buckled, and the multi story building imploded upon itself.
I was selling rice when everything began to move, Monseignac recalled.
The ceiling fell first, then the floor disappeared beneath me.
I felt myself falling. Then darkness, complete darkness. When the
seven point zero magnitude earthquake struck Haiti on January twelfth,

(00:48):
twenty ten, it transformed Porto Prince into a wasteland of
collapsed structures. In less than a minute, more than two
hundred thousand buildings crumb, from simple cinderblock homes to government ministries.
Among them was the marketplace where Monseignac worked, its floors

(01:09):
pancaking down one atop another with thousands of people inside.
Structural collapse entrapment differs fundamentally from other underground survival scenarios,
explains doctor Irene Vazquez, a physician specializing in disaster medicine.
In cave ins and mining accidents, people are typically trapped

(01:30):
in pre existing spaces that remain partially intact. In building collapses,
survivors find themselves in what we call void spaces, pockets
formed by fallen structural elements that just happened to create
survivable gaps rather than crush the occupants. Faut ausoleum. These

(01:51):
void spaces, unpredictable, often tiny, and extremely unstable, become both
salvation and prison for those who survived the initial collapse.
Monseignac found himself in such a space, pinned between concrete
slabs with barely enough room to move his arms. His

(02:12):
lower body was trapped, though not crushed, by debris around him.
In the darkness, he heard moans, cries for help, and
finally silence. The first twenty four hours are critical and
structural collapse survival, notes doctor Vasquez. Many survivable injuries become
fatal without intervention. Crush syndrome, where prolonged compression of body

(02:37):
parts leads to the release of toxins when pressure is removed,
can cause kidney failure and cardiac arrest. Dehydration accelerates rapidly
in the typically hot, dusty environment of collapse zones and
secondary collapses, claim many who initially survived. For Monsignac, these

(02:59):
first hours established a pattern that would sustain him through
an ordeal. Experts still struggle to explain. He methodically assessed
his situation, noting that while trapped he had access to
a small pocket of air, he could hear rescue efforts above,
though they seemed distant and unfocused. Most importantly, he discovered

(03:22):
he could reach moisture, a trickle of water seeping through
the concrete that he could lick from his fingers. The
longest documented survival without water is typically three to four days.
Doctor Vazgi's explains, with even minimal moisture intake, condensation, seepage,
rain water reaching through cracks, this can extend to perhaps

(03:46):
seven to ten days. Beyond that we enter medical mystery territory.
Monseignec would remain trapped for twenty seven days, far exceeding
scientific understanding of survival limits. While Monseignac struggled to survive
beneath the Portoprin's rubble half way around the world, structural

(04:07):
engineers studied videos and photographs from Haiti with grim professional interest.
Among them was doctor Kenneth Low of Mexico City's Institute
of Engineering, a specialist in seismic structural behavior who had
witnessed first hand the devastation of Mexico's own catastrophic earthquakes.

(04:27):
Every building collapse creates its own signature pattern of void spaces,
Doctor Leu explains, reinforced concrete structures like those in Haiti
and Mexico City typically create larger but fewer void spaces
when they fail. The pancake collapse pattern we saw in
Haiti is particularly deadly. Floors dropping directly onto each other

(04:51):
leave minimal survival spaces, except near structural columns or furniture
that temporarily bears weight before being crushed. Doctor Leu's expertise
in structural collapse was born of personal experience. On September nineteenth,
nineteen eighty five, he was a young engineering student when

(05:12):
a magnitude eight point zero earthquake struck Mexico City, collapsing
hundreds of buildings and killing at least five thousand people.
The unique geology of Mexico City built on an ancient
lake bed whose soft sediments amplify seismic waves created a
catastrophe that would reshape understanding of earthquake engineering worldwide. What

(05:37):
made Mexico City unique was the soil liquefaction effect. Doctor
Lew explains the ground beneath buildings temporarily behaved like a
liquid during shaking, causing structures to sink, tilt, or collapse entirely.
Many victims weren't crushed, but rather entombed in intact rooms
that were suddenly underground when buildings sank into the softened soil.

(06:02):
This created survival conditions different from typical collapses. Use. Lady Figueroa,
a clerical worker in a government office building, found herself
in such a situation, her entire office intact, but tilted
at a thirty degree angle and now buried under adjacent
collapsed structures. For thirty six hours, She and six colleagues

(06:27):
remained in this strange slanted tomb with functioning phones, but
no way to communicate their location effectively to rescuers. At
equal We could hear drilling shouts, dogs barking above us,
Figueroa later recounted, but when we called emergency services, they
couldn't pinpoint where our building had stood. The landscape above

(06:51):
had changed completely. Their rescue finally came through a combination
of technological intervention and human insight. Unpenetrating radar identified anomalous
spaces beneath the rubble, while rescue dogs narrowed the search
area by detecting human scent rising through the debris. The

(07:11):
final breakthrough came when a specialized microphone system detected faint tapping.
Figueroa and her colleagues had been rhythmically hitting a metal
filing cabinet with shoes for hours. In the nineteen eighty
five Mexico City earthquake, we lacked many of the advanced
tools we now consider standard for urban search and rescue,

(07:33):
explains Captain Javier Hernandez of Mexico's Civil Protection Force. By
the twenty seventeen earthquake, we had thermal imaging, acoustic detection arrays,
specialized cameras that could snake through small openings, and even
robots designed to navigate unstable debris. This technological evolution was

(07:55):
dramatically demonstrated during the two thoy seventeen magnitude seven point
one earthquake that again struck Mexico City exactly thirty two
years after the nineteen eighty five disaster, collapsing dozens of buildings,
Media attention focused intensely on the search for Free to Sophia,

(08:17):
a twelve year old girl reportedly trapped beneath a collapsed school.
For days, rescuers worked to reach the girl, whose occasional
tapping responses to rescuers signals gave hope she remained alive.
The effort captivated global attention until authorities made a stunning announcement,

(08:37):
Free to Sophia did not exist. The tapping sounds had
been misinterpreted. No girl by that name was registered at
the school or reported missing. The Free to Sophia incident
illustrates a crucial aspect of structural collapse psychology, notes disaster
psychologist doctor Jennifer Lanier, the single identifiable victim effect creates

(09:01):
powerful emotional and media focus. A child with a name
generates more public engagement than statistics about hundreds or thousands missing.
This can actually change how rescue resources are allocated, sometimes
productively concentrating effort, other times potentially diverting resources from areas

(09:25):
where more survivors might be found. This psychological phenomenon appears
consistently across structural collapse disasters worldwide. In the nineteen ninety
nine Taiwan earthquake, two thousand and one Gujarat earthquake, and
twenty eleven christ Church earthquake, media and rescue attention invariably

(09:48):
concentrated on specific named individuals, particularly children, whose rescue efforts
would dominate coverage, even when thousands of others remained missing.
While natural disasters create the majority of structural collapse incidents,
man made events present their own unique survival challenges. On

(10:10):
April nineteen, nineteen ninety five, at nine two a m.
A truck bomb detonated outside the Alfred P. Murrah Federal
Building in Oklahoma City, collapsing a third of the nine
story structure and damaging many surrounding buildings. The blast killed
one hundred sixty eight people, including nineteen children in a

(10:31):
day care center, and injured hundreds more. Among the survivors
was Florence Rodgers, who had been conducting a meeting with
eight colleagues when the bomb detonated. In an instant, the
conference room's floor sheared away, plunging her co workers to
their deaths. Rogers, who had been standing at the head
of the table, found herself on a small fragment of

(10:54):
floor still attached to the building's core, a precarious island
surrounded by mp space. One moment, we were discussing budget projections.
The next I was alone, looking down through dust at
what had been the rest of the room. Rogers later
recounted there was no transition, no warning, just complete instantaneous

(11:14):
transformation from normalcy to nightmare. The Oklahoma City bombing created
collapse conditions significantly different from earthquake scenarios. The explosive force
projected debris outward as well as downward, creating a more
chaotic debris field with unconventional void spaces. Fires from broken

(11:35):
gas lines threatened survivors. Chemical contamination from the bomb itself
presented hazards to both victims and rescuers. Terrorist attacks and
industrial explosions create what we call complex collapses, explains Urban
Search and Rescue specialist Captain Marcus Wilson. Unlike natural disasters,

(11:58):
where gravity is the primary force, explosions create lateral and
even upward projection of structural elements. This means debris patterns
are less predictable, but sometimes create larger void spaces where
blast energy has pushed materials apart rather than compacting them.

(12:19):
For survivors of the Oklahoma City bombing, these chaotic conditions
created both opportunities and challenges. The irregular void spaces were
often larger than those in earthquake collapses, allowing more movement,
but they were also more unstable, with debris balanced precariously
rather than compacted by gravity. Each movement by survivors or

(12:43):
rescuers risked triggering secondary collapses. The psychological impact of surviving
a terrorist attack adds another dimension to the experience. Doctor
Lanier notes natural disaster survivors typically don't struggle with questions
of why us in the same way terrorism survivors do. Earthquakes,

(13:05):
while traumatic aren't personal or targeted, terrorism creates an additional
layer of psychological processing, coming to terms not just with
random misfortune, but with deliberate human malice. For Florence Rodgers
and other Oklahoma City survivors, this aspect complicated their long

(13:25):
term psychological recovery. Many reported that while their physical injuries
eventually healed, the sense of being specifically targeted even as
random victims created persistent psychological effects, including hypervigilance, distrust, and
difficulty in crowded public spaces. The technological aspects of urban

(13:49):
search and rescue have evolved dramatically since Oklahoma City, which
itself represented a watershed moment for American disaster response. The
Oklahoma City bombing led directly to the creation of fama's
standardized Urban Search and Rescue USR system, with specialized teams

(14:10):
deployed nationally and internationally to structural collapse incidents. These teams
employ increasingly sophisticated tools. Thermal imaging cameras can detect body
heat through layers of debris. Sensitive microphones can distinguish human
tapping or voices from other sounds in the rubble. Chemical

(14:31):
sensors can detect exhaled carbon dioxide, indicating breathing survivors. Ground
penetrating radar can map void spaces without disturbing unstable debris
above them. Perhaps most iconic are the search dogs, specially
trained canines who can detect human scent through layers of

(14:53):
concrete and steel. These dogs, working in coordinated patterns with handlers,
have located survivors buried too deeply for technological sensors to detect.
Dogs remain our most versatile and reliable detection tool, explains
Anita Scott, who trains disaster search canines. A well trained

(15:14):
dog can cover areas much faster than technical equipment, distinguished
between living and deceased victims by scentse signature, and work
for hours in conditions where electronic equipment fails. They also
provide a crucial psychological boost to both survivors and rescuers.

(15:35):
There's something profoundly reassuring about the presence of these animals
in the midst of such human created destruction. The limitations
of even the most advanced detection technologies were apparent during
rescue efforts following the twenty ten Haiti earthquake. The scope
of destruction more than two hundred fifty thousand buildings damaged

(15:59):
or destroyed, overwhelmed both human and technological resources. International rescue
teams arrived with cutting edge equipment, but faced a collapse
zone extending for miles across Porto prints and surrounding communities.
In this environment, Evans Monsignac's survival for twenty seven days

(16:22):
represents not just a medical miracle, but a stark example
of the limitations of even modern rescue capabilities. Despite thousands
of rescuers and millions of dollars of equipment, Monseignac was
discovered largely by chance workers clearing debris with heavy equipment

(16:43):
heard his faint calls from deep in the ruins of
the marketplace. Haiti taught us humility, admits Captain Wilson. With
all our technology and expertise, the scale of destruction simply
exceeded our capacity to search comprehensives. For every Evans monsignac
we found, there were likely others we missed, people who

(17:06):
might have been rescued with more resources, more time, more
precise detection capabilities. This recognition has driven continued innovation in
the field. Today's structural collapse response increasingly incorporates drone technology
for rapid mapping of large collapse zones, artificial intelligence systems

(17:26):
that can identify likely void spaces from surface patterns, and
even swarm robotics, small semi autonomous robots that can infiltrate
debris and coordinated patterns to search areas too dangerous or
inaccessible for human rescuers. The future of structural collapse rescue

(17:47):
will increasingly rely on these autonomous or semi autonomous systems,
predicts doctor leew. The combination of AI analysis of structural
failure patterns with physical exploration by robotic systems could dramatically
improve our ability to locate survivors quickly, particularly in large

(18:10):
scale urban disasters where the search area exceeds human capacity.
For survivors like Monsigna and Haiti Figueroa in Mexico City
and Rogers in Oklahoma City, these technological advances offer hope
that future victims might be located more quickly, but their
experiences also highlight the uniquely human aspects of survival that

(18:35):
no technology can fully address. The common thread across structural
collapse survivors is their psychological flexibility, notes doctor Lanier. Those
who survive the longest exhibited remarkable adaptability, accepting their new
reality quickly, focusing on immediate problems rather than global circumstances,

(18:57):
and maintaining what psychologists call tragic optimism, the ability to
remain hopeful while fully acknowledging the gravity of their situation.
This psychological orientation appears repeatedly in survivor accounts. Evans Monseignec
described establishing a routine in his tiny void space exercises

(19:21):
with his free hand, methodical conservation of moisture, regular attempts
to signal rescuers, and mental journeys to visit his family
and favorite places. Euslady Figueroa and her colleagues in Mexico
City created an improvised social structure in their tilted office tomb,
assigning tasks, rationing the few snacks available from desk drawers,

(19:45):
creating a bathroom area in a separate corner, and maintaining
conversation to prevent psychological deterioration. Florence Rogers, despite witnessing the
deaths of her colleagues in Oklahoma City, im mediately focused
on survival tasks, checking structural stability around her, calling out

(20:06):
to other potential survivors, creating noise to attract rescuers, and
mentally tracking time to maintain temporal orientation. Time perception distortion
is nearly universal in structural collapse entrapment, explains doctor Lanier.
Without natural light cues and under extreme stress, the brain's

(20:27):
time keeping mechanisms falter minutes can feel like hours, or
hours can pass unnoticed. Survivors who maintain some form of
time tracking, counting, singing songs of known length, tracking rescue
sounds generally reported better psychological outcomes both during and after

(20:47):
their ordeals. This temporal disorientation creates particular challenges for structural
collapse victims. Compared to other survival scenarios, Cave explorers typically
carry watches and planned schedules. Miners often have some industrial
timekeeping devices or work rhythms to track shifts. But building

(21:10):
collapse survivors are suddenly thrust from normal daily life into
timeless darkness without preparation. I lost all sense of time,
Monsignac recalled of his twenty seven day entrapment. I would
count to measure minutes, but then lose track. I tried
to count sleep cycles, but I never knew if I
was sleeping for hours or just minutes. Eventually time became meaningless.

(21:35):
There was only thirst, pain, and waiting. This waiting, the
passive yet psychologically demanding core of structural collapse survival, represents
perhaps the most challenging aspect of the experience. Unlike other
survival scenarios, where victims might attempt self rescue or movement

(21:57):
towards safety, building collapse survivor vers typically cannot and should
not attempt to move significantly. The worst action a structural
collapse survivor can take is trying to dig themselves out,
emphasizes Captain Wilson. Secondary collapses kill many who survive the
initial event. Even slight movement of debris can trigger catastrophic shifts.

(22:22):
Professional rescuers train extensively in structural stabilization before extraction, precisely
because the removing of debris is often more dangerous than
its initial fall. This enforced passivity, combined with darkness, physical discomfort,
uncertainty about rescue, and often the sounds of others suffering nearby,

(22:46):
creates a psychological pressure chamber. Unlike almost any other human experience,
the inability to help oneself or others nearby can create
profound guilt, helplessness, and moral in that survivors carry long
after physical rescue. Anthropologist doctor Elena Mikhailov, who studies disaster

(23:09):
cultures worldwide, notes that structural collapse experiences often transform survivors
worldviews permanently. Across cultures, we see common transformative effects. Survivors
report fundamentally changed relationships with physical spaces, heightened awareness of exits,

(23:29):
anxiety in tall buildings, difficulty within closed spaces, But they
also describe profound value shifts, greater emphasis on relationships over
material possessions, increased appreciation for basic physical comforts, and often
a spiritual or philosophical reassessment of life's meaning. These transformations

(23:53):
were evident in Haiti months after the earthquake, where survivors
like Monsignac became reluctant to enter concrete structures, preferring to
sleep outdoors despite practical challenges. In Mexico City, survey data
collected years after the nineteen eighty five earthquake showed residents

(24:15):
remained significantly more likely to identify and mentally note emergency
exits when entering buildings, and in Oklahoma City, many survivors
reported permanent hypervigilance regarding unattended packages or vehicles in public spaces.
The body remembers what the conscious mind tries to forget,

(24:36):
explains doctor Lanier. These behavioral changes, what we might call
embodied memory, often persist long after cognitive processing of the trauma.
They're not necessarily pathological. They represent the body's adaptive response
to having survived an environmental violation of basic safety assumptions.

(25:00):
For Evans Monseignac, this adaptation continues more than a decade
after his rescue. Now living in Miami, he reports still
feeling uncomfortable in enclosed spaces, sleeping with lights on, and
keeping water bottles within reach at all times. Yet he
also describes positive transformations, deeper religious faith, greater appreciation for

(25:25):
family connections, and a sense of purpose. In sharing his
survival story, I died and was reborn there under the market,
Monsignac reflected in a twenty twenty interview, the man who
went in is not the same man who came out.
I lost my old life, my business, my home, but

(25:46):
I gained something too, understanding how little we really need
to be content, how precious simple things like water and
light truly are. This perspective echoes across contenance and cultures,
from the office workers of Mexico City to the federal
employees of Oklahoma City. Their experiences of darkness, confinement, uncertainty,

(26:11):
and eventual return to light form a unique chapter in
the human experience of survival underground. Their stories illuminate not
just the technical challenges of urban search and rescue, but
the remarkable capacity of humans to endure, adapt, and find
meaning even when buried beneath the weight of their own

(26:32):
civilization's constructions. As doctor Michaeloff observes, perhaps what makes structural
collapse survival stories so compelling is their metaphorical power. These
are people literally crushed by human construction, trapped in the
ruins of our own creation, who nonetheless find ways to

(26:54):
maintain their humanity in complete darkness. There's something profound instructive
in that, a reminder of human fragility and resilience coexisting
in the same moment, the same breath, the same heartbeat
beneath the rubble. This has been a quiet. Please production

(27:15):
head over to quiet. Please dot Ai to hear what matters.
This has been a quiet. Please production head over to quiet.
Please dot Ai to hear what matters.
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