Weeks before a massive Himalayan glacier collapse, satellite images showed the ice and rock accelerating. The same river basin had already suffered a deadly disaster just 13 months earlier—and China and Nepal had discussed cross-border warning systems. So why did no warning come? We examine the failed safeguards, hydropower development, rescue efforts, and the stark information divide on the Nepal and Tibet sides of the disaster.
A catastrophic mudslide in the Himalayas, triggered by climate-driven glacier collapse, caused massive casualties and destruction. Despite satellite warnings, a promised cross-border early warning system between China and Nepal failed to materialize due to political secrecy and data control, exacerbating the human cost and hindering rescue efforts in high-risk infrastructure zones.
Three months ago, a mudslide caused by ice and rock occurred in the same river basin.
Three months ago, China and Nepal even held a special meeting,
solemnly announcing the establishment of a cross-border glacier early warning mechanism.
A few weeks ago, satellite photos already captured the glacier and
massive rock formations accelerating, which is a textbook danger signal.
But a few days ago, when a glacier and giant boulders the size of 500,000 trucks came crashing
down, the so-called early warning system didn't sound for even a single second.
Friends, in the next 25 minutes, let's peel back the layers of this deadly
mudslide at the foot of the Himalayas and see what exactly it buried.
To understand this, we first need to look at the geographical background.
The Himalayas we see aren't actually a solid, hard rock,
but rather a wound that is constantly being torn open.
You can imagine the Indian Plate as a heavy truck.
For tens of millions of years, it has been rumbling and crashing into the Eurasian Plate,
and it still hasn't stopped today, pushing a few centimeters into it every year.
The Himalayas are the scene of this car crash.
They aren't a single intact piece of rock,
but rather a pile of mountain debris that has been crushed, crumpled, and stacked up over the years.
In geology, this main suture zone is called the main central thrust,
which stretches for 2,900 kilometers along the Himalayan mountain range.
And Langtang, where this incident occurred, lies right on this belt.
So you might ask, why haven't these loose rocks fallen down all these years?
But they fell recently as ice.
The crevices of high mountain rocks are frozen with permafrost.
And this permafrost, this ice, acts like nails and glue,
sticking the debris created by the collision onto the steep slopes,
holding it there for thousands of years.
But now, this glue is melted for two reasons.
Friends, pay attention.
Among these two reasons, one is very significant and involves human factors.
And who is responsible for this human factor?
Nepal or China?
Keep listening, friends. The answer's coming up.
This collapse wasn't just a simple case of a glacier falling.
According to the latest report from Time magazine,
satellite photos taken before the incident show that a massive fracture,
about 1.4 kilometers wide,
had already appeared on the north face of Langtang Lirang at an altitude of over 5,000 meters.
As the water from the melting permafrost seeped into this crack,
it eventually caused the entire block of bedrock, along with the ice on top, to collapse,
crashing down from an altitude of thousands of meters onto the gentle glacier below
and then roaring all the way down.
The U.S. Geological Survey estimated that the energy released by this collapse
was equivalent to a magnitude 5.2 earthquake,
and the volume of boulders and mud released
was equivalent to at least 500,000 large dump trucks.
It traveled nearly 100 kilometers, churning up sediment,
boulders, and even hydroelectric tunnels along the riverbed as it went.
By the time it struck the Jiarong port,
its volume had already been magnified hundreds, if not thousands, of times.
Such a natural disaster is truly terrifying.
However, this was not a disaster that came out of nowhere without warning.
This bomb hanging over our heads had actually flashed red lights long ago.
On August 28th, the third day after the disaster,
an international team of scientists called HIRISC
released a rapid disaster assessment report,
concluding that there were indeed prior signs of this ice avalanche.
Satellite imagery showed that the surface of that glacier had already undergone changes.
The report in Nature magazine on September 2nd was even more specific.
A geophysicist from Virginia Tech analyzed satellite imagery
and discovered that in the weeks leading up to the collapse,
this section of the glacier and the rock mass it was dragging underneath
had been accelerating.
In geology, accelerating movement is a major warning sign that a mountain is about to collapse.
It's a textbook danger signal.
It wasn't just the satellites that saw it.
Mother Nature even gave us a dress rehearsal 13 months in advance.
On July 8th, 2025, a glacial lake upstream in the same watershed burst,
and the resulting flood rushed down, destroying the China-Nepal Friendship Bridge,
leaving at least nine people dead and over a dozen missing,
including six Chinese workers.
The source of that incident was on the Chinese side of Tibet,
originating from a superglacial lake on the Pyurpu Glacier that was draining.
Ever since that time, China and Nepal have discussed sharing early warnings.
Just over three months before this disaster occurred, back in May of this year,
experts and officials from both Nepal and China held a meeting in Kathmandu.
According to a Reuters report,
the meeting agenda prepared by the Nepalese side at the time was very clear.
Both sides were to discuss disaster risks in border areas,
including floods and glacier-related disasters,
as well as monitoring and response measures.
However, three months later, the conclusion in a report by a third-party monitoring agency
was that, to this day,
no early warning system for glacial disasters has been established in this region.
So, the early warning mechanism discussed three months ago has not taken shape.
Why is that?
Let's keep watching.
Geologist Jakob Steiner,
who has long provided Himalayan disaster consulting to the Nepalese government,
told the Australian Broadcasting Corporation
that early warnings for construction workers are extremely weak.
As early as 2023, Al Jazeera, citing data from ICIMO and the United Nations Development Program,
reported that there are over 3,600 glacial lakes across Nepal's three major river basins,
with 47 of them assessed as having a high risk of outbursts.
Of these 47, more than half, 25 of them, are all located on the Chinese side of Tibet.
Look, the alarms have been sounded,
the risk reports have been laid out on the table,
and meetings have even been held.
So why has a real early warning system never been established?
Who exactly should be held accountable for this?
First of all, objectively speaking,
the source of this collapse was within Nepal's territory, not China's.
From the collapse to the destruction of Durang Port,
there was only a six- to seven-minute window.
Online claims that China failed to issue a timely warning ignore this reality.
There simply wasn't time to react,
and the collapse didn't even originate in Chinese territory.
So to the trolls, don't be so quick to bash me.
However, despite that, the key issue I'm about to bring up
isn't about those six minutes after the incident,
but rather the weeks or even months leading up to it.
On September 1st, the British academic media outlet The Conversation
published an analysis titled,
Nepal Floods, China's Tight Control of Tibet
Makes Himalayan Disaster Preparedness Harder.
The author's core argument can be summed up in one sentence.
When a cross-border disaster requires rescue workers
to move quickly across borders,
or demands that a warning be passed from upstream to downstream,
it runs into a system designed for control, not for speed.
The implication is that the CCP's strict control over Tibet
hindered this early warning system.
That's true.
Now, so to answer this question,
we first need to understand one thing.
What does it take for a disaster warning system to actually go off?
You can think of it like a smoke alarm system.
For it to actually sound, three things are required.
First, the detector has to be installed in the room, right?
Second, the wires have to be connected, right?
Third, someone has to be able to get into that room
to install it, maintain it, and calibrate it, right?
If any of these three things are missing,
the alarm is just a decoration.
So let's compare them one by one.
First of all, the wires have never been connected.
Nepalese officials have complained multiple times
that they cannot get real-time hydrological data from the Chinese side.
Although there is occasional communication by phone between the two sides,
a disaster warning system requires machine-to-machine data 24-7
with automatic second-level streaming.
As soon as the water level changes upstream,
the downstream side should be able to receive an alert within seconds.
That kind of mechanism simply doesn't exist between China and Nepal.
So which countries does China have the SWIFT?
Well, they do have it with India, but even when it comes to India,
the CCP only provides data during the flood season, and only twice a day.
Furthermore, India has to pay for it,
shelling out 10 million rupees every year to purchase this data.
During the 2017 China-India standoff at Doklam,
the CCP even went so far as to directly cut off
the supply of hydrological data for the Yarlung Tsongpo River to India,
claiming that the data collection stations in Tibet
were, well, undergoing renovations.
But they were quickly called out by the BBC,
because the BBC discovered that at the same time,
the CCP hadn't interrupted the same set of data
being provided to Bangladesh for a single day.
So that year, floods from the Yarlung Tsongpo
surged into India's Assam state,
leaving over 60 people dead and 3.3 million displaced.
You'll find that for the CCP,
hydrological data isn't some life-saving public information,
but rather a political bargaining chip that can be withdrawn at any moment.
Second, it's almost impossible for scientists
to go up to high-risk glaciers in Tibet to install a few sensors.
The CCP's surveying and mapping law stipulates
that foreign institutions are not allowed
to conduct independent surveying and mapping in China.
Violators will have their equipment confiscated,
face heavy fines, and may even be directly detained.
Historically, many foreign geologists have been interrogated
simply for recording GPS coordinates in a field.
There is another detail that is even more telling.
All official maps and internet positioning services in China
must use a coordinate system called GCJ02,
which is colloquially known as the Mars Coordinate System.
But can you guess how large the maximum error
of this Mars Coordinate System can be?
It can be as much as 500 meters.
For driving or finding a breakfast spot, it doesn't matter.
But a disaster warning system needs to determine
which gully might collapse, which direction the mudflow will go,
and which village downstream will be submerged within minutes.
An error of half a kilometer could cost hundreds of lives.
And the last point is that disaster prevention personnel
simply can't get in.
This time, we saw it, didn't we?
Foreigners already need special permits to enter Tibet.
After the disaster occurred on August 27th,
the Immigration Bureau, the CCP's Immigration Bureau,
directly sealed off the border.
Even Chinese tourists and local reporters
were not allowed to get close,
and the families of the victims were blocked from entering.
So the data couldn't get out, the equipment couldn't be installed,
and neither reporters nor family members could get in.
How could an early warning system even be established?
How could it possibly sound an alarm?
This is what the British media was saying.
When a disaster requires an early warning
to be transmitted quickly from upstream to downstream,
it runs into a system designed for political control
rather than for life-saving speed.
As for the 25 dangerous glacial lakes hanging over Tibet,
who manages their data?
Will they share it?
And when will they share it?
For the CCP, this isn't a scientific or technical question.
It's a question of political power.
And what is even more suffocating
than the lack of this early warning,
and what truly exacerbated the harm of this disaster,
is the next truth.
Friends, have you ever thought about this question?
Since this place is in an extremely dangerous fault zone,
since there are 25 glacial lakes hanging upstream
that could burst at any moment,
and since there is no early warning system in place at all,
why are thousands of people still constantly being sent
into this narrow river valley?
Because this narrow Trishuli river valley
is packed with massive hydropower projects.
According to the Independent Power Producers Association of Nepal,
there are 12 hydropower projects in this valley alone,
with 8 already in operation and 4 under construction.
After the disaster, a total of over 900 people
went missing from these 12 projects.
So who built these projects?
First, the upper Trishuli 1.
This is the one with the heaviest casualties.
Currently, about 600 people are missing,
with 300 of them trapped in the tunnel.
The main contractor is a South Korean engineering company,
but a subsidiary of Power China is involved,
and the civil engineering construction
was undertaken by China Railway.
Second, the upper Trishuli 3A.
Its general contractor is the China Guizhouba Group,
which received a loan of 175 million US dollars
from the Export-Import Bank of China.
After the disaster, 42 people were reported missing.
Third, the Rasuwagadi hydropower station,
which was built by Senohydro.
The experience of this station can be described
as a cycle of tragedy.
And you can also see that this area
is prone to frequent dangers.
In January 2025, it had just gone into operation
when it was destroyed by a glacial lake outburst flood
in July.
After five months of emergency repairs,
it had just resumed production,
when eight months later, it was completely wiped out again.
After this disaster, more than 90 people
were reported missing.
As we mentioned earlier, this place
is inherently a fault zone.
So with Chinese state-owned companies
frequently building structures on a fault zone like this,
is there actually a problem?
In 2021, India experienced a very similar tragedy,
where an ice avalanche destroyed
a hydroelectric power station.
That same year, the journal Science
published a relevant research paper on the matter.
This paper used satellite imagery, seismic records,
numerical models, and eyewitness videos
to reconstruct the entire process.
Approximately 27 million cubic meters
of rock and glacier collapsed from the steep north face,
transforming into a highly fluid debris flow in the valley,
which had already turned into a deadly mudslide
before reaching the first hydroelectric power station.
The conclusion of this paper is that this series of events
highlights the rising risks in the Himalayan region,
which are caused by intensified warming and development.
This is what we mentioned earlier,
why the glue holding the rocks and gravel together
is melting now.
There are two reasons, warming and development.
The paper also points out that what
falls from the mountain peak is ice and rock,
but along the way, it acts like a snowball,
sweeping up millions of cubic meters of loose debris
and spoil from man-made excavations in the valley.
In the end, engineering development
becomes a supercharged ingredient for mudslides.
It doesn't stop there.
The things left behind by those projects,
those tunnels, become death traps.
Because in the event of a mudslide,
these tunnels get filled with silt,
making it impossible for anyone to enter,
and rescue becomes completely impossible.
On September 1st, CNN published a report.
They were working on infrastructure in Nepal,
and their families in China wanted to know
how they were doing.
A Chinese woman using the pseudonym Lily
told CNN that her husband was working
on a Chinese infrastructure project in Nepal.
At 8.27 a.m. on August 26th,
her husband was still on a call with a friend,
and about 10 minutes later, the mountain collapsed.
She called him over and over again,
countless times, but no one answered.
A man in his 20s using the pseudonym Jun
said his father was working
on the Upper Trishuli 1 project,
the same one where more than 600 people
from China Railway Urban Construction are missing.
CNN writes that in China,
there are many such families anxiously waiting
to know the whereabouts of their loved ones.
The overseas media outlet The Epoch Times
interviewed a woman named Qiu Huizhong,
whose two older brothers were operating excavators
near the Jirong Port
and living in a nearby dormitory area.
The mudslide completely washed away
the entire dormitory area.
She rushed to Jirong overnight with her parents.
By noon, the family arrived at a checkpoint near Jirong,
where she saw over 200 people,
all of whom were relatives like her,
having rushed from various places
to find their missing family members.
The police did not allow them
to continue to the port,
so Qiu Huizhong and her family
had no choice but to stay in Jirong town,
finding a place to stay on their own
while waiting for news.
Today, the CCP did hold a press conference in Jirong,
announcing that as of September 2nd,
a total of 21 people had died
and 541 were missing.
You have to realize,
this place is a port
with a huge daily volume of customs clearance,
with over 100,000 people passing through
in the first half of the year,
and it was completely wiped out by this mudslide.
Yet the final official death toll confirmed is only 21.
You tell me if you believe that.
Let me know in the comments.
In contrast, on the Nepal side,
they are announcing the latest updates every day,
with the death toll jumping from 157 on the first day
all the way to 469,
over 700, then over 900,
until it's your past 1,100,
with nearly 4,000 people still missing.
Under the lens, within hours of the disaster,
Nepal became the center of global media attention.
Viewers around the world watched through their screens
as survivors wept on rooftops,
saw a female helicopter pilot
fly over 100 rescue missions in a week,
and witnessed rescue workers crawling through the mud
deep inside a hydroelectric tunnel,
dragging out trapped survivors one by one.
However, on the Jirong port side,
on the evening of August 27th,
the very day after the disaster struck,
the CCP Immigration Bureau issued a notice
banning Chinese tourists
from entering the border regions of Shigatse.
On the 31st, Human Rights Watch reported
that journalists within China
were barred from entering the disaster zone
and forbidden from interviewing victims' families,
leaving them with no choice
but to rely on the official narrative.
Another point worth noting is that Human Rights Watch
pointed out that the images and videos
released by state media
to explain the cause of the mudslide
were all generated using AI,
while that original surveillance footage,
which went viral,
was actually censored within China.
The overseas media outlet China Digital Times
specifically documented this.
Users repeatedly failed
when trying to forward two videos
of the Jirong port on WeChat.
If you search for it,
what can you actually find?
You can find videos of the port's scenery
before the disaster,
you can find footage from the Nepal side,
and you can find articles with headlines
about the port being destroyed,
but none of them contain the clip
of the flood hitting the port.
So, looking back now at the death toll of 21
announced by the CCP,
in an environment where journalists can't get in,
family members can't be interviewed,
family members can't even reach the front lines,
original videos are deleted,
AI-generated images take their place,
and the entire internet's trending topics
are filled with official press releases,
how did this number 21 come about?
Who counted them?
And who verified them?
After the disaster occurred,
the rescue efforts by the CCP in Nepal
also shocked the world.
As for Nepal,
their rescue efforts were decentralized.
The National Disaster Risk Reduction
and Management Authority
directly opened up coordinates and data
to the international community
and published the list of missing persons
from the 12 engineering projects.
The military proactively released videos
of the tunnel rescue,
and as a result,
the power of society itself surged forward.
A tunnel rescue expert in Australia named Dix,
who never even went to Nepal,
helped the rescue team remotely
by locating the tunnel entrances
that had been buried by silt.
The flood not only blocked the tunnel entrances,
it hit them entirely.
Professional rescue teams from India and South Korea
arrived to start operations,
joined by international NGOs,
UN agencies,
and journalists from around the world.
This is the reward of being open.
The more transparent the information,
the more social resources can be mobilized.
A poor country with a per capita GDP
of only a little over a thousand dollars
by laying all the information out on the table
turned the world's helicopters,
experts, equipment, and cameras
into a force for rescuing its own citizens.
On the Chinese side, however,
rescue efforts were monopolized
and kept confidential.
Only official forces operating under vertical command
were allowed in.
Firefighters, armed police, public security,
and the military.
The scale of mobilization seemed significant,
but apart from them,
no one else could enter.
Civilian rescue teams couldn't get in,
journalists couldn't get in,
and even the anxious families
were blocked from entering.
This isn't disaster relief,
this is a military takeover of the scene.
When a system views an independent voice,
a pair of hands wanting to save lives,
or a cry for help as destabilizing factors,
all it is doing is using the roar of the state apparatus
to cover up its indifference toward life.
This point is demonstrated vividly
through one particular detail.
Morgues in Nepal are overflowing.
Over 1,100 bodies have been recovered,
but because they were soaked in mud
and river water for too long,
they are decomposing very rapidly,
so they must be buried.
However, Nepal is a Hindu country
where the tradition is cremation,
mass burial is seen as a violation of religious rights,
which led to strong protests from the public.
Under these circumstances,
what did a poor country do?
First, they performed DNA testing.
As of Saturday, August 29th,
Nepal had already completed DNA profiling
for over 100 bodies.
Furthermore, they placed the bodies
into individual sealed bags.
Third, and most importantly,
when they buried them,
they dug to a depth of 1.5 meters
and left a 40-centimeter gap between each body.
What is this 40-centimeter gap for?
It's so that one day in the future,
when a family member comes looking
with DNA-matching results,
they can dig up their loved one intact
and take them home.
This extra 40 centimeters is for this body
whose identity hasn't been confirmed yet.
This is the attitude of a poor country
toward an unidentified body.
Yet for China,
the world's second-largest power
and second-largest economy,
possessing the globe's most massive DNA database
and household registration system,
among the more than 500 missing persons reported,
over 260 were foreigners
identified by their respective foreign ministries.
So as for the remaining missing Chinese citizens,
just how many are there?
And who exactly are they?
No one can know.
All right, that's all for today.
We've covered two main aspects.
One is that this disaster had long been foreshadowed,
and the other is the stark contrast
between China and Nepal in the rescue efforts.
If you have any thoughts,
please be sure to share them with me
in the comments section,
and let's continue to discuss this together.
All right, thanks you all for watching.
That's all for today.
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