Arizona 3.1 magnitude tremor strikes between state’s dormant volcanoes

January 9, 2012WINSLOW, Ariz.The U.S. Geological Survey recorded a magnitude 3.1 earthquake in Arizona Sunday afternoon. According to the USGS, the quake hit at 12:11 p.m. about 21 miles southwest of Winslow and about 113 miles northeast of Phoenix. Winslow is about a 3-hour drive from Phoenix. With a depth of just over 3 miles, the temblor was a relatively shallow one. Google Earth shows the epicenter to be between what appear to be small dormant volcanoes. The volcano to the south of the epicenter is on the Colorado Plateau between the Mogollon Rim and Winslow. The remnants of the two cones to the north appeared to have been weathered away, leaving a plateau behind. Google Earth also showed a sinkhole swarm not far from the epicenter. Meteor Crater, one of the best-known meteorite impact craters on the planet, is 20 miles west of Winslow, putting it in the circumference of the quake. USGS data indicates that pockets of residents in the Payson and Prescott areas might have felt the quake, but it would have been very weak. Chances are if it was felt at all, it was simply a subtle, gentle shake that people might have noticed unless they were still or sitting down. –AZ Family
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10 Responses to Arizona 3.1 magnitude tremor strikes between state’s dormant volcanoes

  1. Good Luck says:

    “Vulcanologists classify volcanoes into three groups: active, dormant and extinct. A dormant volcano is one that isn’t currently active or erupting, but geologists think that it’s still capable of erupting.”

    These vocanos in Az are classified as dormant! They are quite capable of becoming active participants in an upcoming major catostrophic seismic event, which is likley to start/begin in the casscadia subduction zone, then fault shredding will immediatly following, heading all the way south down the west coast and inland. CA/NV will probably have some major particpation as well.
    We already had major clusters of swarms, a few months back.


  2. birdie says:

    Meteor Crater in AZ is NOT a “meteor” crater – it is, in fact, a VOLCANIC crater. The idea that it is an impact crater from a meteorite from outer space is a very, very new one. And this idea is in fact very erroneous. The whole of the state of Arizona is littered with volcanic rock. Take a drive on Interstate 40 or I-10 from NM to AZ or Hwy. 380 in NM and the whole roadside is covered in volcanic rock. If you doubt this truth, look at some photos on Google of known volcanic craters, and compare them to what are “believed” to be meteor craters. They are identical and are indistinguishable from one another. The idea that any craters on earth might be caused by an exterior object’s impact with earth did not begin until the space program photographed the moon. Prior to that, all geologists rightly understood craters to be volcanic in origin.


    • nickk0 says:

      Birdie – I don’t necessarily agree with you, BUT I can’t prove, that the ‘meteor’ crater theory is correct, either…. for all we know, it may be wrong !!

      ‘The more we know…. The more we don’t know’.

      – Nick


    • Treehugger says:

      Sunset crater was/is volcanic.
      Meteor crater was in fact created by a meteor.
      Have you been to meteor crater? I’ve been,
      We’ll assume you have too.
      How do you explain the reverse strata in the crater? Distinct layers flip flopped.
      I’ve also been to sunset crater, not very far away, and that is without doubt volcanic.
      Just sayin…


      • birdie says:

        Good grief. From Wikipedia:
        “..The crater came to the attention of scientists following its discovery by European settlers in the 19th century. had initially been ascribed to the actions of a volcano. This was not an unreasonable assumption, as the San Francisco volcanic field lies only about 40 miles (64 km) to the west. In 1891 Grove Karl Gilbert, chief geologist for the U.S. Geological Survey, investigated the crater and concluded that it was the result of a volcanic steam explosion.” The layers are inverted from being blown upward from underneath.


  3. Guide Fleury says:

    Not good.


    • PrairieMae says:

      Meteor Crater is indeed a rather large hole in the ground with no visible evidence of volcanic activity ever occurring there. However, from Flagstaff, where the San Francisco peaks are located (a 12,000 ft dormant volcano that blew its top thousands of years ago) there are old fields of lava, craters, and faults stretching out kindof like spokes on a wheel in several directions for over 100 miles. The most recent volcanic activity was thought to be over 500 years ago.

      The only volcanic activity we’ve ever noticed are “warm spots” in the ground we’ve found when hiking and our well water occasionally smells of sulfur. I’m not too worried…yet anyway, lol. Funny thing is we thought we felt another small earthquake today and my animals acted strangely but there was nothing on the USGS, so I’m not sure.


  4. Maverick says:

    Any link between the sinkhole swarm and the sismic activity (magma pool inflating/deflating) ?


  5. luisport says:

    January 10, 2012

    – Research / Volcanoes and extinction scenarios (1)
    Volcanic activity in the Siberian Traps has been proposed as one of the mechanisms that may have triggered the mass extinction. Gases released as a result of Siberian magmatism could have caused environmental damage. For example, perhaps sulfur particles in the atmosphere reflected the sun’s heat back into space, cooling the planet; or maybe chlorine and other chemically similar nonmetal elements called halogens significantly damaged the ozone layer in the stratosphere. $$$$$

    – Research / Volcanoes and extinction scenarios (2)
    Scientists have uncovered a lot about the Earth’s greatest extinction event that took place 250 million years ago when rapid climate change wiped out nearly all marine species and a majority of those on land. Now, they have discovered a new culprit likely involved in the annihilation: an influx of mercury into the eco-system. “No one had ever looked to see if mercury was a potential culprit. This was a time of the greatest volcanic activity in Earth’s history and we know today that the largest source of mercury comes from volcanic eruptions,” says Dr. Steve Grasby, co-author of a paper published this month in the journal Geology. “We estimate that the mercury released then could have been up to 30 times greater than today’s volcanic activity, making the event truly catastrophic.” Grasby is a research scientist at Natural Resources Canada and an adjunct professor at the University of Calgary. $$$$$


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