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Originally posted by Anmarie96
reply to post by dannikilla13
I am not sure - maybe, maybe not - maybe a better desciptive word would be contributing! - if area is unstable to begin with -pressurizing it IMO is a very, very bad thing to do! How do we refer to it - Tapping on a hornets nest
LINK (most of the quakes in this swarm are around this depth)
The heat source for the volcano is thought to be a magma body at a depth of 5–6 km. There is a significant correlation between increases of sustained fluid extraction at the field and earthquakes, with delays of about 1 yr.
link (This proves there is a history of quakes directly beneath the geothermal plant)
: "I took a GPS reading at the visitor center of 32°25.148'N /115°13.437W, and this morning's earthquake was centered at 32°21.36'N /115°14.76W, a distance of about 4 miles to the southwest, which would put it right at the center of the powerplant, although 3.7 miles down. I wonder if they had any disruption (plus or minus) in their steam generation!"
link (This is rare in that a volcano that sits at an 'intersection' of faults...which is why we think this is so important)
Cerro Prieto is a 223 m (732 ft) isolated, inactive volcano found near Mexicali, Mexico (Baja) that rises prominently from the surrounding agricultural fields. It lies on the northwest-striking Cerro Prieto fault. Along with the San Andreas and Imperial faults to the north, Baja represents a transition region between the sliding San Andreas Fault and the crustal opening along the East Pacific Rise, extending stepwise down the length of the Sea of Cortex.
link (This is thought to have been about 10,000 years ago)
Cucupas Indian legends described a monster that covered the land with hot rocks, which grew through the soil and emitted fire tongues, a possible reference to the growth of the volcano.
Originally posted by westcoast
So I found what I think is an on-line newspaper for the area. Unfortunately, I don't know any spanish. Is there anyone here that could read it and possibly do some searching for any local info about the quakes and the geothermal fields?
There definitely was a geyser at Cerro Prieto which erupted for several months, reaching heights of approx 10 meters, circa 1991. Photos are posted in the Comision Federal Electricidad (CFE) Visitor Center at Cerro Prieto and I'm sure there's plenty of documentation there on it. I will dig for the e-mail addresses of the geologist who showed me the site as well as the field engineer who toured our group through the area. They also tell of major geyser activity in the 1890's, all of which is to be expected from such a major geothermal field (2nd largest in the world) over a near-surface spreading center.
Originally posted by kennylee
reply to post by Anmarie96
No, thank you for all your work in this area. I have followed all your posts in the yellowstone thread, quake watch, volcano watch and now here.
Do you think that they actually stopped drilling? We are talking about lots of money in their pockets. All this activity could wake up the dormant volcano also IMO. I think its more than likely.
MAP 2.0 2010/04/10 00:43:15 32.580 -115.736 5.6 24 km ( 15 mi) S of Seeley, CA
MAP 2.1 2010/04/10 00:40:16 32.595 -115.603 0.7 14 km ( 8 mi) SW of Calexico, CA
MAP 1.7 2010/04/10 00:38:44 32.651 -115.751 5.1 17 km ( 10 mi) SSW of Seeley, CA
MAP 2.5 2010/04/10 00:34:43 32.222 -115.381 0.4 27 km ( 17 mi) WSW of Guadalupe Victoria, Mexico
MAP 2.8 2010/04/10 00:28:08 32.222 -115.317 31.2 21 km ( 13 mi) WSW of Guadalupe Victoria, Mexico
MAP 2.2 2010/04/10 00:23:28 32.695 -115.811 2.0 16 km ( 10 mi) SW of Seeley, CA
MAP 2.9 2010/04/10 00:17:38 32.306 -115.326 6.8 20 km ( 13 mi) W of Guadalupe Victoria, Mexico
MAP 1.9 2010/04/10 00:04:44 32.707 -115.884 1.4 11 km ( 7 mi) ESE of Ocotillo, CA