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Editor: Jim Berkland Box 1926 Glen Ellen, CA. 95442 (707) 935-6512 FAX (707) 935-6639 |
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12 Monthly Issues Back issues $4.00 |
Geologist |
QUOTE OF THE MONTH
The government warned Oct. 12 (1989) of the highest Pacific tides in years
during the week of the Oct. 17 quake on the San Andreas Fault.
The jolt measured 7.1 on the Richter scale, killed at least 66 people in the
San Francisco Bay area, and happened during breezy, warm and dry conditions
dubbed "earthquake weather" in California folklore. (Assoc. Press, Los
Angeles).
While I can vouch for the record tidal forces of October 14, 1989, I must
differ with the concept of "Earthquake Weather" as presented there. I have
always heard of the requisite conditions as warm, sultry and still. Indeed it
was like that as I was leaving the Santa Clara County Building on the evening
before the Loma Prieta Quake, and I heard several people discussing the
"earthquake weather."
The Associated Press item continued (Toronto Globe and Mail, November 7,
1989):
"Quakes are not caused by such weather but might be triggered by the same
atmospheric pressure conditions that create warm winds," meteorologist Jerome
Namias, of the Scripps Institution of Oceanography in La Jolla, said. "Abnormal
pressures and wind systems operating on the fault could encourage slipping
motion along the San Andreas, which if other conditions were right, would then
trigger this quake," Mr. Namias said. "It's conceivable the high tide added to
this condition."
"I would say it is at least 90 percent likely there was some (tidal) influence
on the timing of this quake," astronomer Stephen Kilston, of Lockheed Palo Alto
Research Laboratory, said. But many seismologists remain skeptical.
Kilston should be remembered as the co-author (with UCLA emeritus professor of
seismology, Leon Knopoff) of a remarkable article published in Nature in July
of 1983. Based upon high earth tides and the nodal point of the Moon calculated
for November of 1987, they predicted that near that date the Southern
California segment of the San Andreas fault would be ruptured by a 6M quake,
probably near dawn or dusk. Precisely on schedule, near sunset on November 23,
1987, a 6.3M event was centered near Westmoreland (causing my pendulum in my
7th floor San Jose office to sway about one inch.) Before I knew the cause, I
informed my co-workers that the movement of the pendulum was similar to that
from a 6.5M event 500 miles to the south in the Imperial Valley on October 15,
1979.
Before dawn the next morning (November 24, 1987 another and larger quake of
6.8M struck the Westmoreland area bringing further vindication to Kilston but
unexpected consternation to internationally known seismologist, Knopoff. In his
own mind he had been dealing with probabilities, not forecasts, and he lamented
to a reporter, "I have spent the last four years trying to convince my
colleagues that I had not actually predicted a quake when the damn thing
happened." (The USGS should be so lucky.)
We have a collection of glass smoking pipes for all.
JEST FOR FUN
The Berkland clan got together in Northridge for a family reunion during the
recent holidays (thanks to cousin Nadine and her lovingly indulgent husband,
Bill Magee.) During that brief time for happy reminiscence, cousin David
Smith, told me about attending an advance screening of "Honey, I Blew Up the
Kids" with his young godson, Nathan. The movie was shown on July 8, 1992 at the
AVCO Theatre in Westwood. The audience was gasping at the sight of a 100-foot
tall toddler making his way through the streets of Las Vegas, accompanied by
booming sound effects from Sensuround. The vibrations from the giant footsteps
were reaching a crescendo, when the theatre was hit by a 5.3M aftershock from
the Big Bear Earthquake of 10 days earlier. Native Californians chuckled at the
vibratory coincidence, but out-of-towners noisily dashed for the exits, and not
many of them stayed around for the conclusion of the movie. However, David and
Nathan remained in their seats until the happy ending. Later, as they drove out
of Westwood, David asked his godson what part of the show he enjoyed the most.
Nathan responded, "My favorite part was the earthquake." (Typical reaction of
a native son.)
SEISMIC SENTRIES
(Pet of the Month)
I would here like to credit an excellent work by James Gere and Haresh Shah of
Stanford University entitled Terra Non Firma-----Understanding and Preparing
for Earthquakes, which was published by W.H. Freeman and Co., N.Y. (1984, 203
p.) This is a very readable but scholarly presentation and I would encourage
my readers to examine it. The section on animal behavior is only about two
pages long, but it is intriguing. They comment that "It is quite possible that
animals can sense phenomena, such as changes in magnetic or electrical fields
that human beings cannot sense."
The authors described their visit to China in 1980 during which they had
inquired about the great Tangshan earthquake of July 28, 1976 (the day of the
New Moon. That quake had killed some 650,000 persons but it had not been
predicted, in contrast with the huge success the Chinese claimed during the
previous year for the 7.3M Haicheng earthquake of February 3, 1975 (the last
day of the first Seismic Window I had publicly issued.)
Gere and Shah wrote that "At Tangshan we learned that a long-term warning had
been issued many months before the earthquake. However, the actual earthquake
came unexpectedly, without foreshocks, and was much stronger (magnitude 7.8)
than anyone would have predicted for that region. When we inquired of survivors
about animal behavior, we were told stories like these: A family in a building
heard dogs crying, water birds flying and insects buzzing shortly before the
earthquake; another person heard a donkey crying in the middle of the night,
prior to the earthquake; and someone heard a horse and cow cry about an hour
before the large aftershock. (7.2M the next day) All of these stories were
related to us second-or thirdhand;.................
When we asked one of the leading Chinese earthquake specialists about animal
behavior as a predictor of earthquakes, he said he gave it no credence,
although he went on to say that peasants living in the countryside tended to
believe in it. It was our observation that seismologists in China use the same
techniques for prediction as are used elsewhere."
From my own trip to China in the summer of 1992 I can affirm that most people
questioned (including our college-educated tour-guide) seemed to have no
question that animals were useful as earthquake forecasters. I would explain
away the doubts expressed by "one of the leading Chinese Earthquake
specialists" in the presence of skeptical foreign scientists, as an effort to
avoid the issue so as not to cloud his own credentials. During my visit as an
incognito scientist, I believe I was receiving a more open response.
I might as well mention here another section of the Gere and Shah book in which
my own ideas on tidal triggering of earthquakes were treated fairly (p. 105).
"A possible triggering mechanism is the action of tides caused by the moon and
sun. We know that tides exist not only in the oceans but also in the solid
crust, but no one knows whether the effects area large enough to trigger
earthquakes. James Berkland, a geologist with the County of Santa Clara in
California, has been the principal proponent of the idea that earth and ocean
tides serve as triggers. He coined the phrase "seismic window" for the time
periods when he believed earthquakes were the most likely to occur as the
result of being triggered by tidal strains in the earth's crust. A window is
taken to be the eight-day period following syzygy, which in this case is the
alignment of the sun, earth, and moon. Syzygies occur whenever there is a new
or full moon; at such times the earth's crust undergoes maximum tidal
deformation. The seismic-window theory has been tested by comparing the times
of hundreds of past earthquakes with the tides, but according to USGS
investigators, no correlation has yet been observed.
While it seems plausible that the stresses and deformations in the earth due to
the gravitational pull of the sun and moon could trigger earthquakes, it seems
not only implausible but ridiculous to think that planets could serve as
triggers." (Ed. I totally agree.)
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QUAKE OF THE MONTH
For a January earthquake I have selected an unusual 5.9M event that struck my
wife's New Brunswick, Canada birthplace on January 9, 1982.
This was the strongest event there since October 22, 1869 (17 days after the
infamous Saxby Tides, which caused severe destruction in the Bay of Fundy area,
as had been predicted one year in advance from calculation of maximum
gravitational stresses for October 5, 1869 by Royal British Navy Lieutenant
S.M. Saxby. Most of his superiors had ignored his warnings and other warnings
about destructive storms, which also hit on schedule.
Similar perigean spring tides took place on January 9, 1982, the day of a lunar
eclipse and the day of a 55 foot tidal range in the Bay of Fundy. I had given
the January 8-15th Seismic Window an A+ rating for a local earthquake because
of a near-record 8.9 foot tidal range at the Golden Gate. There were no
significant seismic events in the Bay Area, but an incredibly destructive and
deadly storm did hit on January 4-5, 1982. Also a 5.0M quake strike the coast
of Northern California at Shelter Cove (Jan. 12th) and a major event (7.0M) hit
on the western Pacific on schedule (Luzon, Jan. 10th.) Note that these
epicenters were all peripheral to seacoasts, where the tidal effects were
enhanced.
The 1982 New Brunswick earthquake was centered near the headwaters of the Little
Miramichi River near Plaster Rock. (47.0N, 66.6W). It struck while many New
Brunswickers were at breakfast (Saturday, 07:53 a.m. AST). An aftershock of
5.1M hit near noontime that day and one of 5.5M on Monday afternoon. Another
5.5M event occurred on March 31, 1982, followed by 4.5M aftershocks on April
2nd and June 16, 1982.
Although the mainshock was felt in New York, Connecticut and Rhode Island, the
remoteness of the epicenter resulted in the maximum intensity being limited to
Modified Mercali V (small objects toppled, cracks in masonry.) The area was
snow-covered, but although some slides occurred no ground rupture was noted,
which is typical for all quakes in eastern North America. At least 220
instances of wells drying up were documented up to 100 miles away from the
epicenter.
A preliminary report was published in March 1983 by the Earthquake Engineering
Research Institute (Anne E. Stevens, Editor). On page 84 there is a description
of unusual animal activity:
Strange animal behaviour was widely reported. This occurred the night before
(January 8) around 10:30-11:30 p.m. E.S.T., shortly before the main shock
(January 9) and during the felt earthquakes. A foreshock was recorded by the
Weston seismograph network at 11:05 p.m. on January 8 with a magnitude too
small to calculate; the threshold level is about magnitude 1.5. A few reports
described the animals as behaving in an unusual manner for three days prior to
the earthquake.
The strange animal behaviour included unusually affectionate cats, haywire cats,
weird dogs, rabbits not eating, cows refusing to be milked, horses staying out
of the stables and a squirrel running an squeaking in an attic. Also "masses"
or rabbits were seen on the streets of Presque Isle the night before and
locally abundant fresh rabbit and rodent tracks were seen. Humans reacted to
the earthquake in different ways. In addition, there is a report of goldfish
that "have just been sitting on the bottom of the tank kinda glup, glup,
glup."
In the Bangor Daily News (Jan 11, 1982) it was reported that three cats in
Houlton, Maine reacted strangely: "All night Friday the cats, two of them
Siamese and one a combination, wandered from one room to the next, sometimes
meowing. When anyone went to see what the matter was, the cats would sit and
stare at the individual before absenting themselves from the scene, hiding
under the bed or beneath a chair.
The family asserted that from now on they were going to pay attention to their
cats." The reporter commented that the last time he looked, the price of cats
was far cheaper than seismographic equipment.
The Daily Gleaner (Fredericton, New Brunswick, Nov. 2, 1989) reported on a talk
by a University Seismologist, Dr. Merrill Edwards, who had apparently learned
of my work.
Under the heading, Tidal Stress Seen As More Believable Earthquake Cause, Dr.
Edwards "..spoke of a theory developed by a geologist in California which
indicates tidal stress may trigger earthquakes. He said that the hypothesis
says that the pull of the moon and sun act on the earth very much the same way
as it does the tides. He said the Atlantic Ocean is getting bigger and bigger,
pushing on land masses on either side.
When these masses are pushed together, it creates friction, sliding against each
other, then a huge super tidal effect comes along pulling the layers upward,
making them twitch, and causing an earthquake. Dr. Edwards said when New
Brunswick had an earthquake in 1982, there was (sic) data showing how the
earthquakes occurred at the time of high tides and when the sun was closer to
the earth."
I visited the University of New Brunswick in June of 1982 and when I introduced
myself to a geologist there, I told him that I had a theory about the timing of
earthquakes in general and the Miramichi Earthquake in particular. Before I
could explain he said "Well it was on the day of an eclipse of the moon when
the Fundy tides were extremely high and the combination probably was too much
for the stability on a nearby fault." I was mildly shocked by this and said
that he had summarized my own ideas on the subject and asked if he would please
accompany me back to California, where he could explain it to some of my more
recalcitrant colleagues?
One of the reasons I had joined my wife in a visit to her family that summer,
was that I wanted to speak to a school teacher who had contacted me months
earlier about some unusual symptoms she had experienced prior to earthquakes.
Her name was Sonya Cuddeback, and she had heard me on a New Brunswick radio
station two days after the mainshock. The reporter had learned from a friend of
mine that their quake had fit my theory and she had phoned me to learn if I had
predicted it. I said "Not specifically for that area, as I had no information
on local precursory phenomena around New Brunswick." When she inquired further
I explained briefly about water levels, magnetic changes, ground tilt,
microseisms, radon gas, animal activity, etc. She was intrigued about
the animal aspects and was just about to "roll a tape" to record my
comments, when I heard her gasp and exclaim, "Oh, no, not another one!"
She was reacting to the 5.5M aftershock of January 11, 1982. I later
thought how amazing it was for a 5+M quake to have occurred during a
transcontinental telephone conversation, especially with the epicenter
at the eastern end of the line. In any case my interview went out
over the airwaves and was heard by Sonya Cuddeback, of Gagetown, about
80 miles from the epicenter. About 10 days later I received a letter
from her in which she stated that she was a school teacher who had lived
in New Brunswick all of her 46 years. She had never before felt an
earthquake and she had never had any sinus problems until three days
before the main event, when her head stuffed up and she developed a
severe headache unlike any she had experienced before. It was centered
in her lower forehead between her eyebrows and aspirin "couldn't touch
it". She became hyperactive at first, and then nauseous with the pain.
The night before the quake she was so ill she went to bed early and
skipped supper. In the morning it was as bad as ever until about 7:30
a.m., when "suddenly the pressure was gone and the pain disappeared.
As I marveled at this first return to normalcy, the first tremors hit!"
Sonya is a very shy person and did not want any kind of notoriety,
but she felt she had to tell someone, and hoped that I had an explanation.
At the time I did not, but later suggested that she contact someone
at the University of New Brunswick, or Marsha Adams, of Time Research
Institute, who has been working for nearly 20 years with people who
have physiological symptoms prior to quakes. I had no further contact
with Sonya until she phoned me on March 31, 1982 to tell me that the
previous day the headache symptoms had returned, about 24 hours before
the 5.5M aftershock (the strongest in three months.) She was so concerned
that she said that she was considering "putting my home up for sale
and moving far away." I tried to reassure her that the aftershocks
would decrease in frequency and intensity and that New Brunswick was
a good place to be if you didn't like earthquakes.
However, three months later, when I drove to Gagetown and found the Cuddeback
residence, I learned that she had left her native land and had moved to
Virginia. Just like a frightened animal that leaves its normal place of
security when earthquake symptoms become too severe, Sonya had "flown the coop"
and I have never heard from her again. Yet in 1986 I had a telephone call from
another lady in San Jose, California who independently described the same
physiological phenomena that preceded local quakes. There was a blinding
headache in the lower center of the forehead that commenced several days in
advance of the quake, with the symptoms disappearing minutes before the actual
event. To date I have learned of five people with this "affliction", including
a Time-Life photographer and a chiropractor, who experienced this for several
days prior to the Loma Prieta Earthquake. All five of these people thought
they were unique, and all were afraid that people might think that they were
"crazy" or "weird" if they went public. Now there is a logical explanation.
In the 1984 meeting of the American Geophysical Union in San Francisco,
it was announced for the first time that the highly magnetic substance,
magnetite, which had earlier been found in many animals (whales, dolphins,
sharks, salmon, chitons, bees, butterflies, robins, etc.) was now known
to have been produced also by the human body and it was concentrated
in the lower middle of the forehead, in the upper sinus passages. This
is approximately the location of the enigmatic pineal gland and the
approximate locus of the mystical "third eye." (To visualize this,
note that the women of India, place a red spot in this same area.)
Do we have a 6th sense? Is it a sense of direction enabled by the
mostly highly magnetic substance found in nature? Is it affected by
magnetic anomalies engendered by seismic stresses prior to quakes?
Does it cause disorientation, anxiety, and pain in susceptible individuals?
I believe that the answer to all of these questions is "Yes!" but
proof is yet elusive. The New Brunswick connection may be critical.
How rare are strong New Brunswick earthquakes? History records only
six significant mainshocks in the Bay of Fundy area and the following
table shows how tidal forces appear to have played a role. Keep in
mind that perigean spring tides, with the syzygy and perigee on the
same day occur only two to five times per year; yet five of the six
mainshocks listed occurred within three weeks after such an occasion.
STRONGEST BAY OF FUNDY AREA QUAKES AND TIDAL FORCES
Date Magn. FM+ Perigee+ NM+ Synch. (P+S) Remarks
------------ ----- --- -------- --- ------------ -------------------------
1855, Feb 08 5. 06 21 21 6hrs. Near Perihelion
1869, Oct 22 5.5 17 17 03 -7hrs. Saxby Tides, Near equinox.
1904, Mar 21 5. 19 19 05 -15 hrs. At equinox
1922, Jul 02 5. 05 08 67hrs. At aphelion
1929, Nov 18 7.1 02 00 46 hrs. "Grand Banks Quake"
1982, Jan 09 5.9 00 01 31 hrs. Record tides
1982, Jan 09 5.1* (eclipse) Aftershock
1982, Jan 11 5.5* 00 03 31 hrs. *Max.Aftershock
1982, Mar 31 5.0* 03 06 66hrs. Aftershock
---------------------------------------------------------------------------------
FM = Full Moon
NM = New Moon
Synchroneity = time difference between Syzygy (FM or NM) and Perigee. (it can vary
from a few minutes to 8 days, but only once or twice per year is
it less than 12 hours.)
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LAST MONTH'S QUAKES
During the seismic window of December 10-17, 1993 my house was shaken for the
first time in several months by a 3.7M event on 9:01 a.m. on December 16th. It
was centered about eight miles to the south on the Calaveras Fault and was also
felt in Santa Cruz, Boulder Creek, Morgan Hill, and Saratoga. Immediately a
number of callers to Radio Station KGO reported having felt it and guessed its
magnitude as about 3.0-4.0.
I confirmed this estimate on the radio and said that I hoped that it would reach
at least 3.5M, as that was my minimum prediction. I was disappointed to hear
that the USGS had assigned it a reading of 3.4M, and that was the way it was
reported on the air and in the newspapers.
However, the next day the Geological Survey upgraded it to 3.6M, while the U.C.
Berkeley Seismographic Station consistently rated it at 3.7M.
In the Los Angeles area I had to settle for a maximum 3.4M event east of
Catalina Island on the last day of the Window. Worldwide through January 6,
1994, there has been no major quake since the November Seismic Window, when #13
for the year struck Kamchatka on November 13 as predicted in the November
SYZYGY. This left us one short of the average world annual total of 14 quakes
of at least 7.0M. The December window came close when quakes of 6.8 and 6.5M
hit in the Molucca Sea on December 9th.
THIS MONTH'S PREDICTIONS
The closest annual approach of the Earth to the Sun (perihelion) occurred on
January 1st about the same time that UCLA was losing ignominiously to Iowa in
the Rose Bowl. A timely earthquake during the last ten seconds of the game
might have shaken some sense into the UCLA quarterback, but no such luck. The
January 9-16, 1994 Seismic Window is marked by tidal ranges of 7.9 feet on both
January 9th and 10th. These are the highest Golden Gate tides until the end of
April and they are influence by perihelion, along with the perigee of January
5th and the New Moon of January 11th. Recent rapid rises in the missing pet
classifieds may be the result of the usual "New Years anomaly", or they may be
signaling an upcoming earthquake. However, I am 80 per cent confident that
there will be (1) a 3.5-6.0M event within 70 miles of San Jose; (2) a similar
quake within 140 miles of Los Angeles as well as (3) within 140 miles of
Seattle; finally, (4) the January Window should bring a major quake somewhere
in the world, probably within the Pacific Ring of Fire. These have become my
standard predictions, but I also want to point out that there has as yet been
no culmination for the thousands of recent 1.5-3.5M shakers in the Mammoth
Lakes area. Also an ominous quiescence along the Hayward and northern Calaveras
faults raises concerns that my long-standing prediction for an "Echo Quake" of
6.0+M for the East Bay by 1996 may be on target. In addition there has been a
recent flurry of activity (1.5-3.5M) on the San Andreas west of the San
Francisco Peninsula, which is normally one of the quieter regions in the Bay
Area. Another area drawing my attention is the Middle East (especially Iran and
Turkey) where deadly quakes of +6.0M seem overdue. However, I have no "inside
information" on that hunch.