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3.9 2011/09/28 11:54:07 39.850 -118.031 3.0 NEVADA
2.8 2011/09/28 07:05:08 37.872 -112.055 0.9 UTAH
3.4 2011/09/28 06:31:21 37.895 -112.067 0.1 UTAH
Originally posted by kdog1982
For those of you who would like to travel to the far side of the moon,take a gander at this.
A little off the wall.
Originally posted by Robin Marks
reply to post by MamaJ
If there were just three or four quakes along the Mississippi I wouldn't consider it abnormal. In fact, I am comforted when it has alternating quakes on opposite sides of the river. That's the norm. They come and go and are very regular. It is rarer to have a prolonged quiet period. Before all the action in Col, Virgina, it had been on the down low off and on. Kinda quiet. Then it return to normal. I'm only wondering about something extraordinary because of the 3.8M just before the river started chiming in.
If you think of Colorado and Virginia on the poles, or anterior, then Arkansas and the NMSZ are in the interior. So, first we had central quakes. Texas, Okie, etc included. Then we had the ends go off. Then back to the center. Then aftershocks out on the poles again. Now it's the center. This seems to be the pattern.
It's like a bowl full of jelly. The waves rush out to the edge of the bowl, then rebound into the center, then colliding and rebound out again. Remember, these are central mid-continental quakes. The normal rules don't apply. You need to think of it in different terms. No super subduction here. Here it's Jello. TM
The Salton Sea and surrounding basin sits over the San Andreas Fault, San Jacinto Fault, Imperial Fault Zone and a "stepover fault" shear zone system. American researchers determined that previous flooding episodes from the Colorado River have been linked to earthquakes along the San Andreas Fault. Sonar and other instruments were used to map the Salton Sea's underwater faults during the study. During the period when the basin was filled by Lake Cahuilla, a much larger inland sea, earthquakes higher than magnitude 7 occurred roughly every 180 years, the last one occurring within decades of the year 1700. Computer models suggest that the normal faults in the area are most vulnerable to deviatoric stress loading by the in-filling of water. Currently, a risk still exists for an earthquake of magnitude 7 or 8. Simulations also showed that in the Los Angeles area, shaking and thus damage would be more severe for a San Andreas earthquake that propagated along the fault from the south, rather than from the north. Such an earthquake also raises the risk for soil liquefaction in the Imperial Valley region.
Originally posted by westcoast
reply to post by Honor93
Yup...saw those. Had the same thought.
Also, a couple of more small (2 range) up in Northern Cali.
Thanks for the leak on the Sulton Sea. I'll read it when I get a chance.
On a side note, I'll be out of town for a couple of days, so I don't know how much I'll get to post.