Earthquakes and Hurricanes and Full Moon

IRIS Seismic Monitor – Recent Earthquakes

 

Many great quakes happen during full moons as we see yet again last night.  Also, the hurricane is very bad because it is very slow moving and will have a high tidal surge so my son and I are going to make a rescue operation this morning and save our family who lives right on the shoreline of the NY harbor.

 

 

So I will be offline for all of Sunday!  See you all later!!!

sunset borger

side picture begging boneEmail:

emeinel@fairpoint.net

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EMS NEWS

P.O. BOX 483

BERLIN, NY 12022

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sunset borger

 

18 Comments

Filed under weather news

18 responses to “Earthquakes and Hurricanes and Full Moon

  1. 911

    OK, how severe is a 7.7?
    Or, how often does one of that magnitude happen in the USA?

  2. Ed-M

    Best wishes, thoughts and vibes for you and your family’s safety and well beingu, Elaine. Good thing you live on high ground. 🙂

  3. Christian W

    Interesting with a major quake in the Pacific rim. As we saw in South East Asia after the Tsunami, the really big quakes can start chain reactions. I wouldn’t be surprised to see more huge quakes along the US/Canadian west coast over the next few years.

  4. 911

    CW, do thousands of quakes happen every day?
    And what do you call ‘huge’ 7.0?

  5. Christian W

    Richter scale 7s are ‘major’ earthquakes:

    From wiki:

    7s “Can cause great/greater damage over larger areas. Damage to all buildings; many to all receive moderate to very heavy damage, or collapse partially to completely. Death toll is usually between none to more than 150,000.”

    http://en.wikipedia.org/wiki/Richter_magnitude_scale

  6. For those who have never experienced earthquakes, they are all different. Some feel like gentle but varying degrees of rolling, which can range from amusing to frightening. Some feel like back and forth swaying. Some are varying degrees of intense shaking, like a vibration. I felt one once that felt like being in a car when someone bumped the car in the ass end doing 1/2 mph.

    Also, for the record this quake was a 7.7, which is seven times more in magnitude than a 7.0, on the Richter scale. For us living on this dangerous planet, what really matters in earthquakes though isn’t the Richter scale, but the Mercalli scale, which measures the magnitude of ground shaking.

    Earthquakes are a fascinating and very complex subject. I didn’t feel that 7.7 here in southern Oregon.

    In the last series of major quakes (1811-1812) in the New Madrid at the boot of Missouri, it rang church bells in Boston, caused the Mississippi River to change course by miles, and also to flow backwards for a considerable number of hours. Those four quakes were of similar magnitude.

    Earthquakes around the planet or sometimes even a region can not be compared by magnitude alone.

  7. JimmyJ

    It’s worth emphasizing that the Richter scale is logarithmic, meaning the difference between 7 and 8 is 10x. This means that the 2011 Tohoku Japan quake at 9 M, was 30x bigger than the 7.7 in Canada (although energy calculations are more complex than that). It’s also worth mentioning there was a 7 M foreshock for the Tokohu quake a few days prior to the big quake, hence MikeM’s point yesterday in COmments.

    The difference is the Tokohu quake was a subduction / megathrust where one plate tries to duck under another but they both stick and build up tension until they suddenly slip over and under one another, usually under deep ocean, displacing vast quantities of water.

    The 7.7 M quake yesterday is on the Queen Charlotte Fault, a transform fault like the San Andreas where one place sticks as it slide sideways past another then snaps sideways a long way at one time, where even underwater not so much water displacement. For yesterday’s quake, picture one of those San Andreas type quakes out in unpopulated areas and you get the idea of the one yesterday. Major quaking but not much damage. The Cascadia megathrust is what everyone is worried about for Northern California, Oregon, Washington and BC.

    Adding to the complexity in the area of the quake yesterday is the top end of the Juan de Fuca plate, which is also called the Explorer plate, is rotating and subducting at the same time making tectonic stress in the area of the South Charlottes (Haida Gwaii) more problematic than typical transform faulting.

    Explorer plate at wiki:
    http://goo.gl/81MqX

    Queen Charlotte Fault at wiki (transform, yesterday’s 7.7 M):
    http://goo.gl/JsTbz

    Earthquake Canada, graphic of historic seismicity in the Charlottes area (lots of quakes!):
    http://goo.gl/fAFsi

    2011 Tohoku Quake at wiki (subduction / megathrust, 9 M):
    http://goo.gl/C4iHy

    Cascadia Subduction Zone at wiki (subduction / megathrust):
    http://goo.gl/JBPgJ

    San Andreas Fault at wiki (transform):
    http://goo.gl/1AWw

    Subduction quake animation from Youtube:
    http://goo.gl/ODwfm

    San Andreas animation from Youtube:
    http://goo.gl/Lh6ye

  8. emsnews

    Rescue operation to Save The Baby was a success!

    As we drove to Rt 17, they were putting up signs telling people that the road to the shore was going to be closed so we made it just in time. Baby is sleeping soundly upstairs, not a care in the world.

  9. Bravo, Elaine! Is it safe to assume speed limit signs didn’t have much meaning?

  10. Jim R

    People in New York are all “Oh noes a HURRICANE!!1! We’re all gonna die!”, and people on the Gulf Coast are “A category 1? Yeah, last time we had a category 1 I forgot to hook the screen door. Couldn’t hardly sleep with it banging around on the side of the house.”

  11. JimmyJ

    Google Crisis for Sandy has a good map of the storm track, overlayed on the Doppler, with additional storm effects as layers here:

    http://goo.gl/IZUq3

    Cliff Mass Weather Blog talks about Sandy going through an extratropical transition from a warm core to a cold core. This means the storm gains additional strength inland, unlike typical hurricanes, here:

    http://goo.gl/oXMLy

  12. emsnews

    Jim R, and exactly when has a Gulf hurricane dumped three feet of snow on you’all?

  13. Jim R

    Elaine, if I could, I’d swap you a hailstorm with grapefruit-sized stones for all the 3′ snow you have. It will melt off in a day or so in Texas, and we need the water.

  14. emsnews

    We get not only hail storms but ice storms from hell here with 40 below zero weather and high winds. And I have dealt with farm animals under those conditions (such as the Storm of the Century which dumped 4 feet of snow and it fell below -40!)

  15. Jim R

    Isn’t that the freezing point of mercury?
    So if you have an old fashioned mercury thermometer, that is where it stops going down.

  16. emsnews

    Jim, your comment was held not by myself but the WordPress computer. I have been busy due to the hurricane and didn’t notice your comment was held for review until now. Sorry about the delay.

    Elaine

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