Questions tagged [earthquake]
The earthquake tag has no usage guidance.
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Why do period and damping ratio affect acceleration?
In the table above, the period of the structure $(T)$, the acceleration coefficient on the structure ($g$ in terms of gravitational acceleration) $Sa(T)$, The damping ratio is expressed as $ζ$ .
As ...
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Can the Dzhanibekov Effect celestial bodies, like Earth’s crust and/or core causing the flipping of magnetic poles?
“The tennis racket theorem or intermediate axis theorem, is a kinetic phenomenon of classical mechanics which describes the movement of a rigid body with three distinct principal moments of inertia. ...
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How much does quantum uncertainty contribute to the uncertainty of earthquakes?
More abstractly, the topic is: amplification of quantum uncertainty within dynamically unstable systems.
I'd like to have a calculable toy model, e.g. maybe a quantum version of the famous "...
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Converting starting wave to known max wave height
in our university project, we are developing a tsunami simulation using the Shallow Water Equations. For our project, we have decided to allow users to enter an epicentre and the magnitude of an ...
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What makes a book (or a stack of paper) so sturdy under pressure?
I've watched an experiment where they compress a book with a hydraulic press, and the book appears to stay relatively intact under that pressure. It is mentioned that the hydraulic press has a 100-ton ...
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Time scale of earthquake simulations on scaled building models
The effect of earthquakes on a building can be investigated by creating a scaled down model of the building, and simulate an earthquake on a shake table.
A recording of a natural earthquake can be ...
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Possible non-negligible physical effects that relate planetary/lunar geometry and seismic activity such as earthquakes?
Could any forces from the moon, the planets or the sun in orbit hypothetically influence seismic events on earth? And if yes how to approximately calculate and compare the magnitude of the forces?
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Are seismic waves and shock waves same?
Are shock waves (those produced by high speed jets) and seismic waves (produced during earthquake) the same?
In many places I have seen seismic waves referred to as shock waves. So are these two same?
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How do earthquakes of different strengths affect buildings of different heights?
Why is it that short buildings respond more to high frequency oscillations while tall buildings respond more to low frequency oscillations?
I would assume that how they react is related to the natural ...
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Understanding Snells Law in seismic waves
This is a homework question, Ill say it upfront.
The Problem is given so:
Earthquake causes a wave that meets a boundary between two rock substances. Incoming wave speed is 25 m/s and angle is 9 ...
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Is the brick-concrete connection the 'weakest link' in brick made buildings?
When an earthquake strikes,do buildings made of bricks and concrete break mostly on concrete-brick connection spots?If Yes does the brick on the picture prevents this from occuring?
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Finding a single component of a strain tensor ($E_{yy}$) knowing $E_{xx}$ and $E_{yx}$
I know $E_{xx}$, $E_{yx}$, and $E_{xy}$ but I can't figure out how to find the value for $E_{yy}$. I think it has something to do with the phrase 'homogenous $2D$ strain' as a big hint since there's ...
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Is there a subterranean SOFAR channel?
After discovering the SOFAR channel in water at a depth which the speed of sound is at its minimum and acts as a waveguide, it was postulated that a similar channel existed in the atmosphere and ...
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Energy consumption [closed]
If the yearly worldwide energy consumption is 80,000 TWh, and a particular earthquake generates 1.6x10^13 Joules of energy.
If we could harness all of the energy from the earthquake, for how long ...
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What is the magnitude of a super-nova on the Richter scale?
What is the richter scale of a super-nova?
If one could measure compare it to standard earthquakes measured in logarithmic richter scale, what would be the value for a super-nova?
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Better to stay in the open or in the water during an earthquake?
I tried looking around on google but couldn't really find any good information.
For arguments sake, say I am in a field with a river intersecting it. If an earthquake occurs and I am near the ...
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What is below a tectonic plate?
I know that tectonic plates float on mantle but when two plates move away from each other, is the mantle below them exposed to the surface?
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Does mankind possess the technology to intentionally trigger a Yellowstone eruption? [closed]
The Yellowstone Caldera eruption will probably be an Extinction Level Event when it eventually happens.
Suppose some lunatic wanted to set it off now, with drills, bombs, or whatnot. Say this lunatic ...
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Distinguishing an underground Hydrogen bomb test from a fission bomb explosion
A related question is Hydrogen bomb radiation output, but my question is based on the seismograph data (or any other data) possibly producing a distinctive pattern.
Is it possible to tell the ...
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Is it possible to obtain the richter grade of an earthquake with the data of an accelerometer?
I have an accelerometer on a table that gives me the $x$, $y$, and $z$ axis acceleration in $m/s^2$ when I move the table. Is there a formula or method to pass this data to a earthquake grade in a ...
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Question about the difference between a tsunami caused by a meteorite and one caused by an under water earthquake
Picture the situation where a meteorite falls somewhere on one of our oceans and gives off all its kinetic energy to the water (let's ignore the thermal energies involved like, for example, the heat ...
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Accelerometer offset
First off, if this isn't the proper stack for this, I apologize, but since my question isn't based around code, I think this is the proper place.
I am making a system based around a 3 DOF ...
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Distortion of interference pattern at LIGO
Does the vibration due to the earthquakes distort the interference pattern of LIGO's interferometer?
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The LIGO Gravitational Wave Detection: have deep-mantle earthquakes been ruled out? [duplicate]
Everywhere I've looked so far that talks about the possibility the LIGO detection was an earthquake, involves being ruled out due to the large distance between the two LIGO sites. Two identical ...
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Could LIGO discovery be due to e.g. earthquakes or have a terrestrial source? [duplicate]
I mean, could it have been earthquakes or anything else?
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Why don't p-type seismic waves propagate along straight lines in the lower mantle?
Can you tell me why seismic waves (p-type shock wave) passing through the earth's lower mantle don't propagate along straight lines in particular?
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About EarthQuake?
As you know in Nepal many aftershocks are coming and earthquake is related to physics as earthquake is also a longitudinal waves . I have some series of question as well as my thoughts about it?
Here ...
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It's All About Earthquake! [closed]
All the following informations i've got are from a book.(i want to check that whether the informations are correct or not,that book isnt a science book though)
There is a limit to which earth can ...
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What happens if the Russians decide to nuke the Kola borehole?
I recently came across research on the Kola Superdeep Borehole in Russia. It's one of the world's deepest at 12 km (7.5 mi) down. If someone decided to hoist a nuclear weapon all the way down and set ...
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How does a longer wavelength penetrate deeper with Rayleigh waves?
I'm struggling slightly to understand this idea. I've slowly been building up an explanation, so at this stage it might be just some confirmation I'm looking for, but also some guidance if I'm off ...
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