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MrBillM
Platinum Nomad
Posts: 21656
Registered: 8-20-2003
Location: Out and About
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Mood: It's a Zip-a-Dee-Doo-Dah Day
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Do You Know ?
Where you're gonna go when the Volcano Blows ?
"I don't know. I don't know. I don't know where I'm a gonna go when the Volacano Blows.
Ground she's movin under me. Tidal waves out on the Sea. Lava come down soft and HOT................."
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David K
Honored Nomad
Posts: 64490
Registered: 8-30-2002
Location: San Diego County
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Mood: Have Baja Fever
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| Quote: | Originally posted by Bruce R Leech
David could you post a map showing where Shari is in relation with Guerrero Negro so some of the other people that are not familiar with this aria
understand where Asuncion is
[Edited on 11-27-2006 by Bruce R Leech] |
Here you go Bruce...
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DianaT
Select Nomad
Posts: 10020
Registered: 12-17-2004
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| Quote: | Originally posted by shari
I have to stay cause David wants pictures!  We are ready to evacuate..apparently
bigger shakes happen in the afternoon as the ground heats up....uh huh..there is so much gossip flying around...but I would like to be here to find
out from the specialists...they are bringing apparatus also to detect tidal waves etc. No bajamatic....this isn't my way of drawing attention to
asuncion |
Shucks, I thought it was just a giant business promotion.
I hope the "experts" get there soon and can give you some solid information.
STAY SAFE
Diane
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Crusoe
Senior Nomad
Posts: 731
Registered: 10-14-2006
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Shari--Hope you are staying safe. One of your best escape routes is to ride this thing out at sea. Just drift and watch!!! Surely there are pangas
available. Good luck.
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mtgoat666
Select Nomad
Posts: 17338
Registered: 9-16-2006
Location: San Diego
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Mood: Hot n spicy
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SGM gelogic maps avail online
| Quote: | Originally posted by Taco de Baja
Some more info on the volcano
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Taco,
Your map shows only the obvious volcanic cones and fields, but this is only a few of the many hundreds of vents. The basalts you find all over
central baja, including Viscainzo penninsula, are tertiary and quaternary volcanics that originated from vents that are not visible, hence not on your
map. Magma movement beneath coast in vicinity of asunsion and abreojos is within the realm of possibility, and likely to be associated with
vents/areas not on the common maps.
Generalized 250k scale geologic maps for all of baja are available online from Servicio Geologico Mexicano. Google them and you can find them.
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David K
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If you could post a map like that you mention or provide the link, that would be great mtgoat666...
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mtgoat666
Select Nomad
Posts: 17338
Registered: 9-16-2006
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to get 1:250k scale geologic maps, go to www.coremisgm.gob.mx and follow this series of clicks: productos, 1:250,000, geologico-minera/numero de carta
other maps are available for the clicking.
warning, files sizes are large, so you'll need fast cxn.
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Sharksbaja
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Posts: 5814
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A strange area, be careful
To me it looks as if you sit on a fracture zone that leads outward and intersects the Tosco-Abreojos fault. It's possible the results create an avenue
for venting off the deeper fault. You could be in great danger if the vent opens further or plugs up only to let go bigger, later. Because seismic
activity is so isolated indicates that those "quakes" may be huge burps as the pressure increases enough to relieve itself. Be wise and don't gamble
please.
Looks like the experts are confused as well. This excerpt discusses the fault that lies off-shore of the area. If you can interpret what they are
saying. 
http://www.cosis.net/abstracts/EAE03/10514/EAE03-J-10514.pdf
| Quote: |
Additional studies are needed that focus on the timing and magnitude of deformation in northwestern Mexico and a rigorous matching of the geology on
either side of the gulf. The most important conclusions to be drawn from the data presented in this paper are that much of northwestern Mexico was
highly extended and that most of this extension occurred during the Late Oligocene to Middle Miocene while subduction was ongoing. The inception of
rapid, large-magnitude extension was often associated with voluminous mafic to intermediate magmatic activity, suggesting that the input of heat from
the mantle may have triggered extensional collapse. An interesting corollary of these conclusions is that it is difficult to come up with sufficient
extension that post dates subduction to support the strain partitioning model of Stock and Hodges (1989). Finding the locus of 200-300 km of
NW-oriented dextral shear that must have occurred between the Pacific and North American plates during the late Miocene remains an outstanding
problem. The choices now are either to hide this displacement offshore along the unfavorably-oriented Tosco-Abreojos lineament and then muster
evidence for fairly large magnitude NE-SW extension of this age, or to find this displacement within the proto-Gulf province - perhaps as a system of
more favorably oriented en echelon strike slip faults and oblique normal faults (Fig. 10). In either case, the definitive test of these ideas will
have to come from the geology.
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http://www.geol.ucsb.edu/faculty/gans/mexico/srmanu.html
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Taco de Baja
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Posts: 1913
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Mood: Dreamin' of Baja
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Here is a view based on the link mtgoat provided, showing a Quaternary basaltic flow to the north of Asuncion (the brown area mapped as
QptB). Maybe the activity is from here???
Sorry, not exactly sure of the map scale, in this copied section of the map.
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David K
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Thanks Taco de Baja... I see two faults intersecting just a mile or two north of Shari's place and lava flow (?) on top of that... Oh great...
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Stickers
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Registered: 4-12-2006
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Shari, I just talked to Dr. Robert Trombley the vulcanologist from the South West Volcano Research Center. He was very interested in the events
occurring in your area and said something could be "happening". It seems that these events take place every day in many locations and amount to zip
so nobody jumps except the poor folks at ground zero.
He said if the disturbance continues he is willing to come down and check it out. I offered to fly him down but he doesn't have any portable
equipment so he would be making visual observations. When the Long Valley dome formed at Mammoth California there was very sophisticated equipment
rigged up to monitor the ground.
I might add there were people at the campground that died in their sleep form gases seeping out of the ground.
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David K
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Whole villages in Cameroon, Africa were poisoned from belching volcanic gas coming from a crater-lake.
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Timbercrete
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I believe the Cameroon, Africa event was from desolved CO2 in the lake water. It was released by a landslide that disturbed the surface of the lake,
that was containing the CO2
\"He, who farts in church,
Must sit in own pew\"
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mtgoat666
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The internet is great! It brings out so much nonsense and unrelated information! This scientist greatly enjoys watching the misinformation unfold!
Cameroonians would agree with the advice to not trust La Paz! (but mexicans may want to put more trust in a scintist from La Paz, particulary, as
he/she may know more than any of us savants)
David K says there is a lava flow just north of Ascunsion, but neglects to note that it is Quaternary, annd therefore could be over 2 million years
old.
Somebody thinks the faults are "belching" stuff!
Personally, I think the rapture is about to happen,... or maybe that's the weed kicking in,....
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David K
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Posts: 64490
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CO2 is poison gas to humans when it overwhelms normal air... and being heavier than most air, is low to the ground... I did put a (?) after my lava
flow guess... I do know that Shari has described the rock that their house is on... and it sounds like basalt (ie. lava).
I am no scientist, nor play one on TV!
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Taco de Baja
Super Nomad
Posts: 1913
Registered: 4-14-2004
Location: Behind the Orange Curtain, CA
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Mood: Dreamin' of Baja
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| Quote: | Originally posted by mtgoat666
The internet is great! It brings out so much nonsense and unrelated information! This scientist greatly enjoys watching the misinformation unfold!
Cameroonians would agree with the advice to not trust La Paz! (but mexicans may want to put more trust in a scintist from La Paz, particulary, as
he/she may know more than any of us savants)
David K says there is a lava flow just north of Ascunsion, but neglects to note that it is Quaternary, annd therefore could be over 2 million years
old.
Somebody thinks the faults are "belching" stuff!
Personally, I think the rapture is about to happen,... or maybe that's the weed kicking in,.... |
I agree on misinformation.
The faults could be several million to 10's of millions of years old, just because a geologist mapped them does not mean they have moved recently. Or,
for than matter, have anything to do with the recent shaking and belching
However, I think you meant to say ".....Quaternary, and therefore could be up to 2 million years old......"
As my geology teacher told me the Quaternary only goes back 1.8 million.....
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tripledigitken
Ultra Nomad
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Registered: 9-27-2006
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I'm glad I'm not a resident of Bahia Asuncion reading all these posts speculating on matters they have no knowledge of (scientists among us excluded
of course). Shari et al..our thoughts and prayers are with you.
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shari
Select Nomad
Posts: 13033
Registered: 3-10-2006
Location: bahia asuncion, baja sur
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Mood: there is no reality except the one contained within us "Herman Hesse"
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Wow love that map but it's kinda scary where our house it located right at those 2 likes at the point! Would it be possible for mrgoat to email me
that map in a smaller format with the key so we know what all those lines are??they say it is the Tosco Abreojos fault that is acting up which runs
along in front of here. Last week, I smelled a new smell, kinda like a burnt rock smell...dry...never smelled it before but I have a real keen sniffer
and wondered about it...hmmm. The birds at the island have been swarming aloft at every boom and shake but the horse just eats and the dogs are a bit
nervous but no dead fish. Maybe they were right that its just a build up of energy that needs releasing and yesterday it got rid of alot of gas....27
quakes!We'll see what tomorrow brings...many thanks for your concern and prayers.
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Sharksbaja
Elite Nomad
Posts: 5814
Registered: 9-7-2004
Location: Newport, Mulege B.C.S.
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MtGoat
| Quote: | Originally posted by mtgoat666
The internet is great! It brings out so much nonsense and unrelated information! This scientist greatly enjoys watching the misinformation unfold!
Cameroonians would agree with the advice to not trust La Paz! (but mexicans may want to put more trust in a scintist from La Paz, particulary, as
he/she may know more than any of us savants)
David K says there is a lava flow just north of Ascunsion, but neglects to note that it is Quaternary, annd therefore could be over 2 million years
old.
Somebody thinks the faults are "belching" stuff!
Personally, I think the rapture is about to happen,... or maybe that's the weed kicking in,.... |
Please set us all straight. Theorizing here is not permitted nor are peoples' own idea of what's happening.
Now you people just stop thinking about the event while the expert gives us "real information" and not some armchair genius' idea of what's goin' on.
Good grief man, it's a friggin' discussion not a geology symposium. Please share your wealth.
Would you feel silly if someone were to be correct?
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jerry
Super Nomad
Posts: 1354
Registered: 10-10-2003
Location: loreto
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its not about being bossy or trying to advocate its about trying to inform people of the posabilitys hence discusion i hope that none of the things
that i mentioned happen
I HOPE IM WRONG
sticking your head in the sand and being a monday night quarterback helps no one
jerry and judi
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