Advisory   If you arrived here by any means other than from theIndex of Impacts,
it is suggested that you start at the Introduction to gain an understanding of what follows.
Best viewed on a large screen.
Navajo Meteor Impact Site
The Navajo Meteor Impact in the southwestern U.S.
     The Navajo Impact is very old, and complex.  This is one of the few impacts that actually resembles an impact crater. This area is the home of the Navajo Nation.


The Navajo Meteor Impact seismic wave at 140 miles and various other impacts.
      This image shows the primary seismic circle at 140 miles radius. To the Southwest is the Mongollon Rim of Arizona. To the Northeast, the mountains of northern New Mexico and southwestern Colorado. What appears to have happen here is that the meteor was either elongated, or broke up before impact. It then blew a large part of its material in all directions to form this circle of mountains. The way this meteor impacted caused the 'crater' to be less exact than other simple craters. Afterwards a number of later impacts pounded the area making the primary blast ring less distinct. Some of these later impacts are more faintly marked on the image. There are many others that are not marked. This image is linked to a similar, but much larger image (4,800 x 2,512 pixels) for a closer examination. Examine it closely.

The Center
The center area of the Navajo Meteor Impact.
      The center area appears to be a line of formidable mountains from above. This was either an elongated object, or perhaps broke into several pieces before it struck, to form this line.
The center area of the Navajo Meteor Impact oblique.
     When you see the center in a prospective view, it is not as formidable as it looks from above. This object added as much as 2,000 feet of elevation to the surrounding landscape, over an area 70 miles in length and 35 miles wide. If the outer surface was blown out in all directions to form the rim, and the denser interior is what remains here, it appears that the center would have been only 2% as dense as the Earth before it hit.
      Consider that if this impact left as much material below the surface as above the surface, that gives a maximum of 4000 feet thickness. If the meteor was roughly round along its 35 mile diameter before it hit, then 4000 / (35 x 5280) = 2.16%
     This impact was a dust ball, most likely a large comet.

The Navajo Meteor Impact seismic wave at 2.5 miles radius.
     The center of impact and the 2.5 mile radius seismic circle. This is where the concentric circle, seismic waves eminate from. You will notice that this circle is not perfect, but has been deformed in several places. This is due to other impacts that came after the Navajo Impact. Several of these are noted on the image linked to this one. If you study these images, you will note other arcs, each of which denote another impact. This gives a relative idea as to the age of the impacts, and shows that the Navajo Impact was a very long time ago     
The Navajo Meteor Impact seismic wave at 12 miles radius.
     The 12 mile radius seismic circle.
The Navajo Meteor Impact seismic wave at 20 miles radius.
     The 20 mile radius seismic circle.
The Navajo Meteor Impact seismic wave at 38 miles radius.
     The 38 mile radius seismic circle.
The Navajo Meteor Impact seismic wave at 55 miles radius.
     The 55 mile radius seismic circle.


The Navajo Meteor Impact seismic wave at 100 miles radius.
     The 100 mile radius seismic circle. This image is linked to larger image and detailed to the right.                     

The Navajo Meteor Impact seismic wave at 310 miles radius.
      The 310 mile radius circle. This image is linked to a much larger image, and detailed to the right.                                 

     Through Colorado Springs, Colorado.

     In New Mexico.

     New Mexico

     Just south of Las Cruses, New Mexico.

     In Southern Arizona, south of Tuscon. These mines are not part of the seismic circle, but erhaps uncovered as the wave passed. They are likely from another meteor.

     Just west of Gila Bend, Arizona.

     Hoover Dam



The Navajo Meteor Impact seismic wave at 1040 miles radius.
     The seismic circle at 1040 miles radius.                                         














     Two seismic circles at 2355 and 3680 miles radius through the Sentral Pacific Ocean.





     Three seismic circles, the top at 3680 miles, the middle at 4320 miles and the lower at 4780 miles radius through the Central and South Pacific Ocean..





     Three Seismic circles, at the top 6375 miles, center 6960 miles and bottom 7665 miles radius.





     At 11870 miles radius, across the sphere of the Earth, the seismic circle comes toether again in the Indian Ocean.                  

     A detailed view of the 11,870 mile radius seismic circle in the northwestern quadrant.



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© 2012, 2015 Terry Westerman