emmanuelg: sock puppet (Default)
 Juan de Fuca Geomancy Study 2019 to 2023
 
An intriguing feature of Geomancy is the ability to do readings of future events – When will something happen?  A good way to look into this would be to pick an event that is certain to happen in the near future (say within 10 years or so), which cannot be predicted with certainty, and which would be a huge benefit if we could know when it will occur.
 
The Juan de Fuca Plate Slip
 
The Juan de Fuca Geological Plate meets up with the North American Continental Plate in a 700-mile-long junction off the West Coast from Oregon to Vancouver BC Canada.  For the past 10,000 years, the Juan de Fuca Plate builds up pressure that raises the height of the North American Plate along the coast.  Every 243 years, on average, the pressure lets go and the West Coast along the junction plunges downward by 6 feet, creating an earthquake and a tidal wave. 
If you live anywhere near this part of Northwestern North America, I urge you to read up on this geological certainty.  It may save your life to do so.  Here is a link to a well-written article on the subject:
 
https://transsexy.geophys.mcgill.ca/~olivia/EES/2018-Winter/The%20Really%20Big%20One.pdf
 
And a citation: 
Schultz, K.  The Really Big One.  An earthquake will destroy a sizable portion of the coastal Northwest.  The question is when.  New Yorker Magazine, 2015 Jul 20.
 
How does this relate to Geomancy?
 
We can be certain that the Juan de Fuca earthquake and tsunami will occur.  Since the last one happened in January 1700, the next one was due in 1943.  It is now 81 years overdue, and no one knows exactly when it will happen.  This makes it a perfect candidate for trying out Geomancy as a means to predict the quake.  Even knowing the year of occurrence would be very helpful!
 
In 2019, I planned to do a series of Geomantic readings on the question, “How many years until the Juan de Fuca plate slip will occur?”  
 
In Statistics and other sciences, we can do formal, logical studies of different questions.  How will we know if our results mean something?  
 
It could be that there is no benefit to doing a Geomancy reading on this topic.  What would that look like?  We can make a statement to describe it, called a “Null Hypothesis;”
 
Null hypothesis: If Geomancy is of no use to predict timing, we could expect a random distribution of predicted times.  The possible range of responses, described on page 148 -149 of Greer JM, ‘The Art and Practice of Geomancy,’ (APG) is 1 to 120.
 
What would it look like if there is some benefit to Geomancy, in this case?  We make another statement called the “Hypothesis” to describe this;
 
Hypothesis:
If Geomancy can be used to predict timing of the Juan de Fuca plate slip, we could expect to see a grouping of results around the actual date of the event. 
 
Next step: Come up with a reasonable plan of study to see which of these ideas will better describe the results.

Procedure: Do a geomantic reading on the above question every 6 months for several years.  If Geomancy can predict the date of the next Juan de Fuca plate slip, the results of the readings will gradually change.  Different figures will point to the same general or specific date.
 
Before casting, specify House Chart, Quesited as House IV (because it is a geologic question), and record the date of casting.  
Cast the Geomantic Reading in the usual way.
The figure in Quesited House IV is compared to the list on pages 148-149 of APG.  Usually this results in two numbers.  
Add the total number of points in the sixteen figures of the chart (including the Reconciler) and divide by 96.  Multiply this fraction by each of the two numbers and calculate the fractional part of the year for each number.

Example:  
On March 8 2023, you cast Puer, Amissio, Acquisitio, and Via for the 4 Mothers.  Via is in House IV, so the numbers are “2" or “5."  There are 89 points in the 16 figures, so 2 x 89/96 = 1.85 years, and 5 x 89/96 = 4.64 years.  
1.85 years from March 8 2023 is Jan 13 2025.  
4.64 years from March 8 2023 is Oct 27, 2027.  
 
Georatio.com provides an online tool to generate the charts and count the points.  It will also count the points and tell you if the chart is perfected.
 
Invitation to participate
 
Before you look at the data I have collected (below), I invite anyone who is interested to do their own Geomantic chart on the Juan de Fuca event, and post it in a comment below.  

Data:
 
I collected 9 readings over 5 years from Jan 19 2019 to Dec 31 2023.  Predicted date pairs appear at the end of each line. There is a procedure outlined in APG to pick one or the other of the two numbers, based on whether the chart perfects and whether you want the event to happen sooner or later.  For this study, I put all the results into the data set, although this may make the results appear more random that they otherwise might.
 
Results were tabulated by year and appear in the chart below the data.
 
Analysis:
Predicted years for the event ranged from 2021 to 2051.  14 of the 18 data points appeared between 2021 and 2029.  There were 4 readings with the year 2027.  All other readings had either 2 or 1 reading in a year.  Within the most concentrated zone of results, only year 2026 had no results.
 
I also tabulated the figures that appeared most often in each of the Mothers.  For M1 and M2, it was clearly Populus and Amissio.  M3 was tied between Fortuna Major/Conjunctio, and M4 was tied between Populus and Via.  There are four possible charts from these combinations, resulting in Populus (5 or 7 years) and Via (2 or 5 years) in House IV.
Possibly useful–But what date do you count from?  
 
Traditionally, repeating readings on exactly the same question is discouraged.  Once per question is the recommended procedure. Since this is an important question that affects a very large number of people, and since I don’t stand to gain anything personally from it, I was hoping that Spiritus Mundi would tolerate the repeated questions.   
 
Conclusion:
At this writing, 2021,2022, and 2023 have passed without a Juan de Fuca event.  The theoretical range of possible answers, 120 years, would have spanned 2019 to 2138.  
It appears that most results have grouped in 9 years, with 2027 as the most predicted year for the Juan de Fuca Event.  Dates in 2027 occurred in the last third of the year (Aug 24, Sept 22, Oct 27 and Dec 16).  
Curiously, 2026 has no results but is in the center of the largest number of results.  
Based on these results, it looks like Geomancy could be useful for predicting events, though not with much precision.  Fall 2027 looks like a particularly bad time to be in the Pacific Northwest. If you live there and this is accurate, you have almost three years to find somewhere else to live.  If you live there and this is not accurate–Still move out of there as soon as possible, especially if you live near the coast.  The Juan de Fuca plate slip will certainly occur again, as it has done about 70 times in the last 10,000 years.  It is more than 80 years overdue at this writing.  With or without Geomancy, no one needs to be a part of this upcoming tragedy.

Data Summary




emmanuelg: sock puppet (Default)
One of the many inquiries that can be made with Geomancy is the timing of future events; When is something likely to happen? It would be most useful for an event that is certain to happen, but for which we don’t have a good idea of the timing. One such event is the date of the next slippage of the Juan de Fuca fault.

The Pacific Geological plate meets the North American Plate under the seabed in the Juan de Fuca straits. The fault line passes between mainland British Columbia and Vancouver Island, and continues down the coast of Washington and Oregon. The North American plate is slowly sliding under the Pacific Plate, and bunches its edge upwards very slowly. Over the past 10,000 years or so, the pressure releases between the two plates every 243 years, on average. This causes a large earthquake and tidal wave, and results in several miles of land subsiding about 6 feet lower than previously. The most recent such event occurred in January 1700, and (besides its local effects in North America) produced tidal wave that struck the shores of Japan with no warning. A very good summary of what is known can be found in an article from the New Yorker Magazine, here:

https://www.newyorker.com/magazine/2015/07/20/the-really-big-one

Again on average, every tenth fault slip is much larger than the usual ones. The 1700 fault slip was a large-sized fault slip. Since the next Juan de Fuca fault slip was due in 1943, and is 76 years overdue at this writing, it would be really good to have an idea of when to expect it.

It’s an ideal event for using Geomancy; For reference, I used Greer JM. The Art and Practice of Geomancy. All page numbers refer to this book.

I have so far done several readings with the following results:

1:
19 Jan 2019 Trial 1
When will the next Juan de Fuca Plate slip occur?
pg. 148--Rough estimate = “Within 5 weeks” per shield chart
Comment:
Well that will shake you up! Reading further, I saw it was possible to specify weeks, months, or years, and decided to redo the reading:

19 Jan 2019 Trial 2
How many years until the next Juan de Fuca Plate slip occurs?
pg. 149-- Rubeus—19 or 9. Total points 95. Since less than 96, time is shorter than the general estimate.
95/96 x 9 years = 8.906 years, or about 24 Aug 2027

What if it’s 19 years?
95/96 x 19 years = 18.862 years, or about 15 Dec 2037.

2:
05 July 2019
When will the next Juan de Fuca fault correction occur?
pg. 149—Rubeus again—19 or 9. Total points 95 again.
95/96 x 9 years = 8.906 years. 30 July 2028
If 19 years?
95/96 x 19 years = 18.802 years. 23 April 2038.

3:
21 July 2019
How many years until the next Juan de Fuca Plate slip?
pg. 149—Populus--seven or five. Total points =110. Since over 96, time is longer than the general estimate.
110/96 x 5 years = 5.729 years. 14 April 2025.
If 7 years?
110/96 x 7 years = 8.021 years. 29 July 2027.

Analysis--
Big Picture-- I have followed a traditional and simple method of divination that relies on random dice throws on four separate occasions. I have analyzed the results with traditional, empirical methods. Any bench mathematician would expect to get a set of results that vary widely. These results, however, have two groupings of data points that are remarkably tight, considering where they came from!
Set 1 – 14 April 2025, 29 July 2027, 24 Aug 2027, 30 July 2028. Four data points, range = 39 months.
Set 2-- 15 Dec 2037, 23 April 2038. Two data points, range 5 months.

I did analyses separated by months to confirm the scaling on the results. If Geomancy is predicting an event that is really only a few months away, the results would change dramatically with a large time gap between analyses. This was not the case, so it seems to be predicting an event within one of two narrow windows.

It would be interesting to me to review the charts of others who have asked the same question. Would they or did they get the same date range that I did?

Data sets were as follows:


https://emmanuelg.dreamwidth.org/file/3427.png

https://emmanuelg.dreamwidth.org/file/3681.png

https://emmanuelg.dreamwidth.org/file/3322.png

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