EARTHQUAKE  TRIGGERING  PROCESSES

Latest Update:   May 20, 2004

A List Of Forces Or Phenomena Which Might Be
Contributing To Earthquake Triggering Processes

More Detailed Explanations Of Those Forces Or Phenomena.


A  LIST  OF  FORCES  OR  PHENOMENA  WHICH  MIGHT  BE
CONTRIBUTING  TO  EARTHQUAKE  TRIGGERING  PROCESSES

       This Web page contains a list of theories regarding forces or phenomena which might be involved with earthquake triggering processes. The Web page author is not claiming to be the first person to propose many of them.  Most have probably been discussed for decades or in some cases centuries.

       Visitors to this Web page are invited to submit other earthquake triggering theories for possible addition to this page.  Comments can also be submitted for possible expansion, support, or rebuttal of any of the theories listed here.  Please send the comments to: seismic@ix.netcom.com

       Entries in the following list have been arranged according to what the Web page author presently believes might be how quickly they can cause an earthquake to be triggered.  The fastest acting forces are towards the top of the list.  Underlined entries are linked to short theory discussions which are listed towards the end of this report or in other reports.


Earthquake related ohmic heating

Earthquake related electric charge repulsion

Earthquake related magnetic material pressure

Physical shock waves from earthquakes, and from
volcanic eruptions and other powerful explosions

Atmospheric storm related air drag

Moon gravity related weight change due to atmosphere tide

Sun gravity related weight change due to atmosphere tide

Moon gravity interactions with the Earth's crust

Sun gravity interactions with the Earth's crust

Internal pressure related to the revolution of the
Earth's core around the sun - Earth - moon center of mass

Ocean tide related water drag

Ocean tide related water weight change

Atmospheric storm related ocean water drag

Strain shift related to earthquakes occurring elsewhere

Temperature related atmosphere weight change

Geomagnetic storm related ohmic heating

Geomagnetic storm related electric charge repulsion

Geomagnetic storm related magnetic material pressure

Solar flare related ohmic heating

Solar flare related electric charge repulsion

Solar flare related magnetic material pressure

Rainwater related effects

Underground magma movement

Polar motion including seasonal wobble and Chandler's wobble

Other planets' gravity related weight change due to atmosphere tide

Other planets' gravity interactions with the Earth's crust

Dam construction related water weight change

Underground aquifer draining due to irrigation

Water weight shift due to greenhouse effect related glacier melting

Separation type movement of tectonic plates

Parallel movement of tectonic plates relative to one another

Compression type movement of tectonic plates

Water weight shift due to normal glacier melting following an ice age

Localized crustal rebound after glacier melting related weight loss

Localized pressure on the crust resulting from mountain building

Gradual cooling and compression of the Earth

Moon gravity related gradual slowing of the Earth's North - South Pole axis rotation

Sun gravity related gradual slowing of the Earth's North - South Pole axis rotation


THE  FOLLOWING  FORCES  OR  PHENOMENA  MIGHT  BE  CAUSING  STRAIN  TO  BE  TEMPORARILY  OR  PERMANENTLY  ADDED  TO  EARTHQUAKE  FAULT  ZONES  BY  RESISTING  THE  MOVEMENT  OF  TECTONIC  PLATES ETC.

Centrifugal force associated with the Earth's daily rotation on its North and South Pole axis

Gravity related pressure for the Earth to assume a sphere shape

Pressure for the Earth to assume an egg shape due to its
rotation around the sun - Earth - moon center of mass

Friction, bending, stretching, and compression processes
associated with the Solid Earth Tide and ocean tides etc.


MORE  DETAILED  EXPLANATIONS  OF  THOSE  FORCES  OR  PHENOMENA

       It should be remembered that many or most of the following are simply theoretical discussions, not established fact.

Earthquake related ohmic heating - Powerful earthquakes can generate strong electromagnetic energy field pulses.  Energy associated with those pulses flows into earthquake fault zones around the world causing their rock layers to quickly heat and expand.

Earthquake related electric charge repulsion - Powerful earthquakes can generate strong electromagnetic energy field pulses.  Energy associated with those pulses flows into earthquake fault zones around the world where it is temporarily stored in the form of ions and polarized molecules which repel one another and cause the fault zone rock layers to quickly expand.

Earthquake related magnetic material pressure - Powerful earthquakes can generate strong electromagnetic energy field pulses which produce temporary changes in the Earth's geomagnetic field.  Magnetic materials in earthquake fault zone rock layers respond to those changes by being pushed or pulled in the same direction or in different directions resulting in earthquake triggering strain being abruptly added to the fault zone rock layers.

Moon gravity interactions with the Earth's crust   (and)
Sun gravity interactions with the Earth's crust
  (and)
Other planets' gravity interactions with the Earth's crust
- The gravitational pulls of the sun, the moon, and the other planets in our galaxy interact with the rock layers of earthquake fault zones in such a manner that earthquake triggering strain is temporarily added to them in a cyclic manner.  Effects related the moon's gravity are 2 to 2.5 times as strong as those of the sun. Effects related to the gravitational pulls of the other planets are so weak in comparison with those of the sun and the moon that they can be ignored.  Note: Some researchers believe that planetary alignment can have an impact on earthquake triggering.  I do not know if they feel that gravitational forces are involved.  See also: An External Source Of Pressure On The Earth's Crust


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This first version of this Web page was stored at this site on
July 15, 2002.  Comments regarding this Web site are welcome.
Please send them to:
seismic@ix.netcom.com  The information in
this Web page represents expressions of personal opinion by
the Web page author.  The address -URL- for this Web page is:
http://www.freewebz.com/eq-forecasting/129.html



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