Megathrust earthquake and tsunami 3,800 years ago kept hunter-gathers in Chile inland for 1,000 yearsfound of the ensuing tsunami and its impact on the people who lived in the area at the time.
by Bob Yirka , Phys.org
REPORT
tsunami
Credit: CC0 Public Domain
An international team of researchers has found evidence of a megathrust earthquake occurring approximately 3,800 years ago off the coast of what is now Chile. In their paper published in the journal Science Advances, the team describes evidence they
In 1966, a massive earthquake shook the ground in southern Chile. Seismographs showed it to be 9.5 on the Richter scale—the strongest earthquake in recorded history. In this new effort, the researchers have found evidence of an equally strongearthquake occurring in roughly the same area approximately 3,800 years ago—one that set off a massive tsunami that wreaked havoc on the early hunter-gatherers who were living along the coast.
The work by the researchers involved digging through layers of dirt in the Atacama Desert looking for sediment left behind by the tsunami. Radiocarbon dating of shells and charcoal fragments in the sediment showed it to be from approximately 3,800years ago. The tsunami was so big it left a trail of debris for 1,000 miles and likely pushed seawater up to 15 to 20 meters above sea level.
Territory and Resilience in the hyperarid Atacama Desert. Credit: Diego Salazarearthquakes. Plate activity is also responsible for the creation of the Andes mountains and its volcanic activity.
Chile's coast lies on a subduction zone—the Nazca oceanic plate is slowly being pushed under the South American continental plate, and because of that, the area has a lot of earthquakes. Sometimes they are really big ones, which are called megathrust
Tsunami amplitude modeling Mw9.5 Eq NChile. Credit: Mauricio Fuentesreturning to the shore for over a thousand years and even then, they appeared to be hesitant to move too close to the sea. Researchers note that they have not found evidence of how the memory of the tsunami could have persisted for so long in a people
The researchers also found evidence of shifts in population centers following the tsunami—people moved inland and to higher ground. Evidence was also found of people moving their burial grounds. The researchers found that the people did not start
Earthquake driven uplifted paleo-beaches at Zapatero archaeological site. Credit: Gabriel Easton
+ Explore further
Weird earthquake reveals hidden mechanism
More information: Diego Salazar et al, Did a 3800-year-old M w ~9.5 earthquake trigger major social disruption in the Atacama Desert?, Science Advances (2022). DOI: 10.1126/sciadv.abm2996
Journal information: Science Advances
© 2022 Science X Network
On 10.4.2022. 8:56, DD'eDeN aka note/nickname/alas_my_loves wrote:found of the ensuing tsunami and its impact on the people who lived in the area at the time.
Megathrust earthquake and tsunami 3,800 years ago kept hunter-gathers in Chile inland for 1,000 years
by Bob Yirka , Phys.org
REPORT
tsunami
Credit: CC0 Public Domain
An international team of researchers has found evidence of a megathrust earthquake occurring approximately 3,800 years ago off the coast of what is now Chile. In their paper published in the journal Science Advances, the team describes evidence they
earthquake occurring in roughly the same area approximately 3,800 years ago—one that set off a massive tsunami that wreaked havoc on the early hunter-gatherers who were living along the coast.In 1966, a massive earthquake shook the ground in southern Chile. Seismographs showed it to be 9.5 on the Richter scale—the strongest earthquake in recorded history. In this new effort, the researchers have found evidence of an equally strong
years ago. The tsunami was so big it left a trail of debris for 1,000 miles and likely pushed seawater up to 15 to 20 meters above sea level.The work by the researchers involved digging through layers of dirt in the Atacama Desert looking for sediment left behind by the tsunami. Radiocarbon dating of shells and charcoal fragments in the sediment showed it to be from approximately 3,800
megathrust earthquakes. Plate activity is also responsible for the creation of the Andes mountains and its volcanic activity.Territory and Resilience in the hyperarid Atacama Desert. Credit: Diego Salazar
Chile's coast lies on a subduction zone—the Nazca oceanic plate is slowly being pushed under the South American continental plate, and because of that, the area has a lot of earthquakes. Sometimes they are really big ones, which are called
returning to the shore for over a thousand years and even then, they appeared to be hesitant to move too close to the sea. Researchers note that they have not found evidence of how the memory of the tsunami could have persisted for so long in a peopleTsunami amplitude modeling Mw9.5 Eq NChile. Credit: Mauricio Fuentes
The researchers also found evidence of shifts in population centers following the tsunami—people moved inland and to higher ground. Evidence was also found of people moving their burial grounds. The researchers found that the people did not start
Earthquake driven uplifted paleo-beaches at Zapatero archaeological site. Credit: Gabriel Easton
+ Explore further
Weird earthquake reveals hidden mechanism
More information: Diego Salazar et al, Did a 3800-year-old M w ~9.5 earthquake trigger major social disruption in the Atacama Desert?, Science Advances (2022). DOI: 10.1126/sciadv.abm2996
Journal information: Science Advances
© 2022 Science X NetworkTsunami doesn't affect cliffs. 20 m high wave cannot do anything to a
25 m high cliff.
People were singing, making songs, this is how they remembered. Just
like Homer. They rhyme the words, for easier remembrance. After some
time this turns into a melody.
--
https://groups.google.com/g/human-evolution
human-e...@googlegroups.com
On 11.4.2022. 1:49, DD'eDeN aka note/nickname/alas_my_loves wrote:
On Sunday, April 10, 2022 at 3:36:59 AM UTC-4, Mario Petrinovic wrote:
On 10.4.2022. 8:56, DD'eDeN aka note/nickname/alas_my_loves wrote:
Megathrust earthquake and tsunami 3,800 years ago keptTsunami doesn't affect cliffs. 20 m high wave cannot do anything to a
hunter-gathers in Chile inland for 1,000 years
by Bob Yirka , Phys.org
REPORT
tsunami
Credit: CC0 Public Domain
An international team of researchers has found evidence of a
megathrust earthquake occurring approximately 3,800 years ago off
the coast of what is now Chile. In their paper published in the
journal Science Advances, the team describes evidence they found of
the ensuing tsunami and its impact on the people who lived in the
area at the time.
In 1966, a massive earthquake shook the ground in southern Chile.
Seismographs showed it to be 9.5 on the Richter scale—the strongest
earthquake in recorded history. In this new effort, the researchers
have found evidence of an equally strong earthquake occurring in
roughly the same area approximately 3,800 years ago—one that set off >>>> a massive tsunami that wreaked havoc on the early hunter-gatherers
who were living along the coast.
The work by the researchers involved digging through layers of dirt
in the Atacama Desert looking for sediment left behind by the
tsunami. Radiocarbon dating of shells and charcoal fragments in the
sediment showed it to be from approximately 3,800 years ago. The
tsunami was so big it left a trail of debris for 1,000 miles and
likely pushed seawater up to 15 to 20 meters above sea level.
Territory and Resilience in the hyperarid Atacama Desert. Credit:
Diego Salazar
Chile's coast lies on a subduction zone—the Nazca oceanic plate is
slowly being pushed under the South American continental plate, and
because of that, the area has a lot of earthquakes. Sometimes they
are really big ones, which are called megathrust earthquakes. Plate
activity is also responsible for the creation of the Andes mountains
and its volcanic activity.
Tsunami amplitude modeling Mw9.5 Eq NChile. Credit: Mauricio Fuentes
The researchers also found evidence of shifts in population centers
following the tsunami—people moved inland and to higher ground.
Evidence was also found of people moving their burial grounds. The
researchers found that the people did not start returning to the
shore for over a thousand years and even then, they appeared to be
hesitant to move too close to the sea. Researchers note that they
have not found evidence of how the memory of the tsunami could have
persisted for so long in a people who did not have a written
language. They also suggest that their work could contribute to
safety plans for the people who live in the area today.
Earthquake driven uplifted paleo-beaches at Zapatero archaeological
site. Credit: Gabriel Easton
+ Explore further
Weird earthquake reveals hidden mechanism
More information: Diego Salazar et al, Did a 3800-year-old M w ~9.5
earthquake trigger major social disruption in the Atacama Desert?,
Science Advances (2022). DOI: 10.1126/sciadv.abm2996
Journal information: Science Advances
© 2022 Science X Network
25 m high cliff.
People were singing, making songs, this is how they remembered. Just
like Homer. They rhyme the words, for easier remembrance. After some
time this turns into a melody.
Can babies climb 5 m high cliffs?
Babies can float. Tsunami doesn't do anything to cliffy coast.
It makes huge devastation on low coasts, not on cliffy. In cliffy, all
it does is it rise its level, nothing more. On low coasts it devastates,
it drowns people, does a lot of nasty stuff.
I know that you don't believe me, this was explained in one documentary about tsunamis, ans I cannot find the info on internet, unfortunately.
On Sunday, April 10, 2022 at 3:36:59 AM UTC-4, Mario Petrinovic wrote:found of the ensuing tsunami and its impact on the people who lived in the area at the time.
On 10.4.2022. 8:56, DD'eDeN aka note/nickname/alas_my_loves wrote:
Megathrust earthquake and tsunami 3,800 years ago kept hunter-gathers in Chile inland for 1,000 years
by Bob Yirka , Phys.org
REPORT
tsunami
Credit: CC0 Public Domain
An international team of researchers has found evidence of a megathrust earthquake occurring approximately 3,800 years ago off the coast of what is now Chile. In their paper published in the journal Science Advances, the team describes evidence they
earthquake occurring in roughly the same area approximately 3,800 years ago—one that set off a massive tsunami that wreaked havoc on the early hunter-gatherers who were living along the coast.
In 1966, a massive earthquake shook the ground in southern Chile. Seismographs showed it to be 9.5 on the Richter scale—the strongest earthquake in recorded history. In this new effort, the researchers have found evidence of an equally strong
years ago. The tsunami was so big it left a trail of debris for 1,000 miles and likely pushed seawater up to 15 to 20 meters above sea level.
The work by the researchers involved digging through layers of dirt in the Atacama Desert looking for sediment left behind by the tsunami. Radiocarbon dating of shells and charcoal fragments in the sediment showed it to be from approximately 3,800
megathrust earthquakes. Plate activity is also responsible for the creation of the Andes mountains and its volcanic activity.
Territory and Resilience in the hyperarid Atacama Desert. Credit: Diego Salazar
Chile's coast lies on a subduction zone—the Nazca oceanic plate is slowly being pushed under the South American continental plate, and because of that, the area has a lot of earthquakes. Sometimes they are really big ones, which are called
returning to the shore for over a thousand years and even then, they appeared to be hesitant to move too close to the sea. Researchers note that they have not found evidence of how the memory of the tsunami could have persisted for so long in a people
Tsunami amplitude modeling Mw9.5 Eq NChile. Credit: Mauricio Fuentes
The researchers also found evidence of shifts in population centers following the tsunami—people moved inland and to higher ground. Evidence was also found of people moving their burial grounds. The researchers found that the people did not start
Tsunami doesn't affect cliffs. 20 m high wave cannot do anything to a
Earthquake driven uplifted paleo-beaches at Zapatero archaeological site. Credit: Gabriel Easton
+ Explore further
Weird earthquake reveals hidden mechanism
More information: Diego Salazar et al, Did a 3800-year-old M w ~9.5 earthquake trigger major social disruption in the Atacama Desert?, Science Advances (2022). DOI: 10.1126/sciadv.abm2996
Journal information: Science Advances
© 2022 Science X Network
25 m high cliff.
People were singing, making songs, this is how they remembered. Just
like Homer. They rhyme the words, for easier remembrance. After some
time this turns into a melody.
Can babies climb 5 m high cliffs?
Actually, tsunami doesn't do anything far offshore, also, in deep
water.
On 11.4.2022. 2:17, Mario Petrinovic wrote:
On 11.4.2022. 1:49, DD'eDeN aka note/nickname/alas_my_loves wrote:
On Sunday, April 10, 2022 at 3:36:59 AM UTC-4, Mario Petrinovic wrote: >>> On 10.4.2022. 8:56, DD'eDeN aka note/nickname/alas_my_loves wrote:
Megathrust earthquake and tsunami 3,800 years ago keptTsunami doesn't affect cliffs. 20 m high wave cannot do anything to a >>> 25 m high cliff.
hunter-gathers in Chile inland for 1,000 years
by Bob Yirka , Phys.org
REPORT
tsunami
Credit: CC0 Public Domain
An international team of researchers has found evidence of a
megathrust earthquake occurring approximately 3,800 years ago off
the coast of what is now Chile. In their paper published in the
journal Science Advances, the team describes evidence they found of >>>> the ensuing tsunami and its impact on the people who lived in the
area at the time.
In 1966, a massive earthquake shook the ground in southern Chile.
Seismographs showed it to be 9.5 on the Richter scale—the strongest >>>> earthquake in recorded history. In this new effort, the researchers >>>> have found evidence of an equally strong earthquake occurring in
roughly the same area approximately 3,800 years ago—one that set off >>>> a massive tsunami that wreaked havoc on the early hunter-gatherers
who were living along the coast.
The work by the researchers involved digging through layers of dirt >>>> in the Atacama Desert looking for sediment left behind by the
tsunami. Radiocarbon dating of shells and charcoal fragments in the >>>> sediment showed it to be from approximately 3,800 years ago. The
tsunami was so big it left a trail of debris for 1,000 miles and
likely pushed seawater up to 15 to 20 meters above sea level.
Territory and Resilience in the hyperarid Atacama Desert. Credit:
Diego Salazar
Chile's coast lies on a subduction zone—the Nazca oceanic plate is >>>> slowly being pushed under the South American continental plate, and >>>> because of that, the area has a lot of earthquakes. Sometimes they
are really big ones, which are called megathrust earthquakes. Plate >>>> activity is also responsible for the creation of the Andes mountains >>>> and its volcanic activity.
Tsunami amplitude modeling Mw9.5 Eq NChile. Credit: Mauricio Fuentes >>>> The researchers also found evidence of shifts in population centers >>>> following the tsunami—people moved inland and to higher ground.
Evidence was also found of people moving their burial grounds. The
researchers found that the people did not start returning to the
shore for over a thousand years and even then, they appeared to be
hesitant to move too close to the sea. Researchers note that they
have not found evidence of how the memory of the tsunami could have >>>> persisted for so long in a people who did not have a written
language. They also suggest that their work could contribute to
safety plans for the people who live in the area today.
Earthquake driven uplifted paleo-beaches at Zapatero archaeological >>>> site. Credit: Gabriel Easton
+ Explore further
Weird earthquake reveals hidden mechanism
More information: Diego Salazar et al, Did a 3800-year-old M w ~9.5 >>>> earthquake trigger major social disruption in the Atacama Desert?,
Science Advances (2022). DOI: 10.1126/sciadv.abm2996
Journal information: Science Advances
© 2022 Science X Network
People were singing, making songs, this is how they remembered. Just
like Homer. They rhyme the words, for easier remembrance. After some
time this turns into a melody.
Can babies climb 5 m high cliffs?
Babies can float. Tsunami doesn't do anything to cliffy coast.Actually, tsunami doesn't do anything far offshore, also, in deep
It makes huge devastation on low coasts, not on cliffy. In cliffy, all
it does is it rise its level, nothing more. On low coasts it devastates, it drowns people, does a lot of nasty stuff.
I know that you don't believe me, this was explained in one documentary about tsunamis, ans I cannot find the info on internet, unfortunately.
water. In deep water tsunami wave is long. Boat would only very slowly
rise, and drop, you would barely notice anything. In shallow sea those
waves shorten and break, just like any surf wave, and this is what
creates those devastating waves, shallow water.
--
https://groups.google.com/g/human-evolution
human-e...@googlegroups.com
Mario Petrinovic wrote:
Actually, tsunami doesn't do anything far offshore, also, in deep
water.
Absolutely correct You are frightening me.
One of the best defenses against a tsunami, if you know it's coming,
is to jump into a boat and head out to sea.
Tsu-nami = harbor-wave. By the time you see it coming, its too late to swim beyond it
| Sysop: | Keyop |
|---|---|
| Location: | Huddersfield, West Yorkshire, UK |
| Users: | 302 |
| Nodes: | 16 (2 / 14) |
| Uptime: | 99:35:41 |
| Calls: | 6,767 |
| Calls today: | 5 |
| Files: | 12,295 |
| Messages: | 5,376,413 |
| Posted today: | 1 |