OUT OF MIND
Would you like to react to this message? Create an account in a few clicks or log in to continue.
Latest topics
» Is It Time To Start Talking About Hyperinflation?
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyToday at 10:42 am by PurpleSkyz

» NASA scientist answers the question - 'do aliens exist ?'
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyToday at 10:39 am by PurpleSkyz

» Max Igan - Jeff Rense Radio Show October 21st 2021
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyToday at 10:30 am by PurpleSkyz

» Switzerland: Massive Protest Against Vax Passports, COVID Tyranny in Capital City
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyToday at 10:15 am by PurpleSkyz

» Global Blueprint Exposed: The Takeover Of All Genetic Material On Earth
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyToday at 10:08 am by PurpleSkyz

» Start-up develops a flying vehicle that ‘anyone can own and fly’
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyToday at 10:01 am by PurpleSkyz

» CHD to Sue FDA for ‘Recklessly Endangering’ Children if Agency Authorizes Pfizer Vaccine for Children 5 to 11 Years Old
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyToday at 9:55 am by PurpleSkyz

» Vaccine Control Group - A Worldwide Scientific Study
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyToday at 9:48 am by PurpleSkyz

» News Flash for the Fully Vaccinated
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyToday at 9:39 am by PurpleSkyz

» German City to Stop Publishing Statistics of Vaccinated Hospitalizations to Avoid “Playing Into the Hands of Corona Deniers”
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyYesterday at 11:51 am by PurpleSkyz

» Current Map of Cargo Containers at Sea Around the U.S.
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyYesterday at 10:43 am by PurpleSkyz

» Fireball Witnessed in 9 States Was Likely a Failed Russian Satellite
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyYesterday at 10:30 am by PurpleSkyz

» New Zealand PM Brags About Making Unvaxxed People Second-Class Citizens as Part of Push to Get Covid Jab
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyYesterday at 10:26 am by PurpleSkyz

» COVID For Amish: Herd Immunity Achieved With No Hospitalizations, Isolation, or Vaccines
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyYesterday at 10:09 am by PurpleSkyz

» Tens of Thousands in Bern, Switzerland Reject Vaccine Passports, Mandates
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyYesterday at 12:35 am by PurpleSkyz

» NYC WORKERS ANTI-MANDATE MARCH
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyYesterday at 12:32 am by PurpleSkyz

» Millions Worldwide Push Back Against Tyranny & Stand for Freedom: “We Do Not Consent. We Will Not Comply.”
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyYesterday at 12:30 am by PurpleSkyz

» BREAKING ALERT !!! OROVILLE DAM POWER PLANT SHUTTING DOWN !
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyYesterday at 12:27 am by PurpleSkyz

» Three Ohio judges “die unexpectedly” in nine-day span after vaxx mandate in Cuyahoga County
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyYesterday at 12:25 am by PurpleSkyz

» Analysis Of VAERS Data: 5,427% Increase In Deaths Following COVID Shots Compared To ALL Vaccines The Past 10 Years
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptyYesterday at 12:21 am by PurpleSkyz

» WILLY MYCO'S $100,000.00 (100k) CHALLENGE TO ANJALI
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptySun Oct 24, 2021 3:11 pm by PurpleSkyz

» Scientist Asks: Why Are We Still Letting Fluoride Harm Kids?
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured EmptySun Oct 24, 2021 10:33 am by PurpleSkyz





Holistic Alternative
Health Care
by Bridgette Lyn Dolgoff

CONTACT HERE TO SCHEDULE ONLINE SESSIONS
www.https://coe-llc.com

NEW ETSY SHOP FEATURING HERBAL SALVES

NOW MAKING A MEDICATED OIL FOR PEOPLE WHO HAVE PCR DAMAGE
www.https://coe-llc.com








You are not connected. Please login or register

OUT OF MIND » CHANGING ENVIRONMENT & NATURE » EARTH CHANGES » Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured

Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured

Go down  Message [Page 1 of 1]

PurpleSkyz

PurpleSkyz
Admin
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured




Posted by Steven Young on December 08, 2017 

Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured Earth

 

Scientists have long known earthquakes can cause the Earth to vibrate for extended periods of time. However, in 1998 a research team found the Earth also constantly generates a low-frequency vibrational signal in the absence of earthquakes.
Since then, seismologists have proposed different theories to explain the existence of this continuous vibration, from atmospheric disturbances to ocean waves moving over the sea floor. They’ve also measured the vibration using seismometers on land, but had not yet successfully measured it at the sea floor, which could help scientists better quantify the sources of the vibrations.
Now, using seismic instruments on the bottom of the ocean, researchers have successfully quantified Earth’s vibrational "hum". A new study published in Geophysical Research Letters, a journal of the American Geophysical Union, determined at the ocean bottom the frequencies at which the Earth naturally vibrates, and confirmed the viability of using ocean instruments to study the hum.
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured Earth
An image of the Earth constructed from NASA’s Terra satellite. Credit: NASA Terra/MODIS, Goddard
Capturing the hum at the ocean bottom could provide new insights into the source magnitude, according to Martha Deen, a geophysicist at the Paris Institute of Earth Physics in Paris, France and lead author of the new study.
Additionally, the new findings could be used to map the interior of Earth with more detail and accuracy. Including the hum from seismometers on the ocean sea floor can give a better overall picture than using land seismometers alone by increasing data coverage in large uncovered areas, Deen said.
"Earth is constantly in movement, and we wanted to observe these movements because the field could benefit from having more data," she said.

Capturing the hum

The new research examined Earth’s permanent free oscillations: low-frequency seismic signals that can only be measured with sensitive instruments. The vibration caused by these signals is constantly present in the ground, and is observable in the absence of earthquakes.
A previous study published in Geophysical Research Letters demonstrated the movement of ocean waves over continental shelves is responsible for generating a large portion of the signal, and provided the first quantitative modeling of the hum over one year. Other research has suggested atmospheric turbulence as a source of the signal, but this mechanism can only explain part of the vibration.
Most of the existing research on the hum signal successfully examined it using seismometers located on land, not at the ocean bottom. Gathering accurate data from seismometers beneath the ocean surface was regarded as impractical because ocean waves and seafloor currents generate high amounts of ambient noise.
Earth’s vibrational "hum" - frequencies at which our planet naturally vibrates measured Ocean-bottom-seismometer
An Ocean-Bottom Seismometer used in the study being put into the water.
Image credit: RHUM-RUM experiment/Meteor Cruise
However, 70 % of the Earth’s surface is covered by water, so being able to measure the hum on the sea floor would enable scientists to analyze the phenomenon using data over the entire globe, Deen said.
In the new study, the researchers first gathered seismic data from 57 seismometer stations located at the bottom of the Indian Ocean east of Madagascar. These stations were deployed from 2012 to 2013 as part of an earlier study published in Eos, which was designed to image volcanic intraplate hot spots.
The authors selected seismic data from the two stations with the highest data quality, and made sure to correct for the signal generated by any earthquakes. They then applied a combination of techniques to remove interference from ocean infragravity waves, currents and electronic glitches, and were able to reduce the noise level to approximately the same level as a quiet land station.
Because Deen and her colleagues were able to account for these sources of interference, the researchers were able to successfully capture the hum using seismometers at the bottom of the ocean.
The study determined Earth’s natural vibration peaks at several frequencies between 2.9 and 4.5 millihertz. These vibrations can’t be heard by people because they are approximately 10 000 times smaller than the lower hearing threshold of the human ear, which is 20 hertz.
The authors also compared the magnitude of their observed hum signal to measurements from a land station in Algeria, and found both signals have a similar amplitude.
Deen and her co-authors believe other researchers can apply their findings to better model the structure of the Earth’s interior. Scientists traditionally examine the interior using seismic waves generated from earthquakes, but this only works at specific times and in areas where quakes commonly occur. Using the hum signal as a source of seismic waves would avoid this problem because the hum is generated continuously in many ocean-continent areas at the planet’s surface.
Combining data from both land and ocean bottom seismometers gives seismologists a more complete picture of the entire hum signal compared to using land stations alone, according to Deen. The increased density of possible data points would improve image resolution and could help scientists better map the Earth’s interior down to 500 km (310 miles), she said.
Provided by American Geophysical Union
Featured image: An image of the Earth constructed from NASA’s Terra satellite. Credit: NASA Terra/MODIS, Goddard


Thanks to: https://watchers.news



  

Back to top  Message [Page 1 of 1]

Permissions in this forum:
You cannot reply to topics in this forum