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Originally posted by Anmarie96
But, but - is something like this far fetched?
Project ELF, which became operational in 1989, consists of two transmitters, one near Clam Lake in Northern Wisconsin, and the other at Republic, in Michigan’s Upper Peninsula. (Actually, Michigan’s antenna intersection is located east of Republic, while the transmitter site is in the Gwinn area nearby, with no settlements of any size between the two towns.)
Several residents claim to hear the "Taos Hum,” a low, grumbling noise on the threshold of audibility. The hum is so named because it first received massive publicity in 1990 when it became "loud" in the New Mexico area around Taos. Soon many other people started reporting that they also could hear the “Taos Hum" worldwide.
But really this is all armchair geology, what with no real data to work from
Extremely shallow microquakes don't appear to propagate low end (0-3 Hz) the way we are used to with regular, deeper quakes. And it kind of makes sense. At deeper depths, where there is much more crust pressure, it takes a bigger event to excite frequencies that low. At a very shallow depth of say less than a Km, the pressures are less, and a small quake may not be able to have the power to excite those super low frequencies in the crust, which may explain the signatures. But these do have some low end content in the 2-3 Hz region, briefly. When the waves from these hit a certain point deeper in the crust, they are probably stopped dead in their tracks. While the higher frequencies can continue to propagate in a small radius from hypocenter. To me this presents a rational explanation of why we see what we do in these microquakes.
Originally posted by TrueAmerican
Ultimately, it may just be linked to inner continental stress releases. Caused by sea floor spreading in the Atlantic, pushing the NA plate east. Could be it's just time for the mid north of the continent to react a bit. But it may not be done...
You’ll see a lot of news statements like this one, “the city says booms were first reported on the night of Sunday 18th of March and continued for several nights before apparently abating.” But this contradicts the statements given to me by 3 separate individuals in Clintonville during my visit. One person said the noises were ongoing for a year, one Clintonville resident said since December 2011, and one woman who has lived there for 6 months has seen police blotter reports in the paper about boom noises for months.
The objects in flight are very strange particles called neutrinos. Fermilab scientists have figured out how to generate a beam of neutrinos and send it across Wisconsin to the big detectors in northern Minnesota. Make that under Wisconsin. Because the Earth is round, anyone wishing to send an object in a straight line from one spot on the planet to another spot 500 miles away must aim through the planet itself.
The funding specifically focuses on continuing a project that involves blasting a beam of neutrinos (or tiny, neutrally charged particles with very little mass) in a straight, 500-mile line, through the curving surface of the Earth, from Illinois to northern Minnesota.
By aiming a beam of neutrinos to a detector in Minnesota, the scientists hope to find evidence of "muon neutrinos turning into electron neutrinos." If successful, the experiment could yield important information about interactions between matter and antimatter, the beginnings of the universe, and the building blocks of creation.
Future accelerator projects at Fermilab may require the construction of tunnels in the northern Illinois bedrock. To understand how tunnel costs might be reduced we investigate the details of conventional tunnel boring machine (TBM) operations in an on going tunnel project.
One of the “other sources” is the MINOS experiment at Fermilab. Located in a massive underground tunnel, MINOS shoots a particle beam through the earth to another, offsite location. Scientists at the lab clock how fast the particles travel.
Originally posted by mountaingirl1111
Originally posted by SeenAlot
reply to post by TrueAmerican
I lived in OR for several years. I was within yards of the ocean and had a amazing view. One night after living there a short time, I heard a low rumbling. I heard it several nights in a row. So I finally asked if whale song could be heard over the water (as this was my only logical solution) there was no heavy industry that would account for such sound.
I was laughed at. I've heard it for a long time, off and on. With more volume and freguency lately. It gives me chills.
Very interesting. In 2010 on vacation, my husband and kids and I were staying in Garibaldi and going up the road to Rockaway Beach every day. One day, while eating lunch back at the hotel in Garibaldi, a cup of water on the table started sloshing around, just vibrating pretty good, even though the kids weren't running around and the train wasn't going past or anything. The vibrating conituned and we could feel it under our feet, kind of like a light rumble or gentle shaking. After ruling everything else out, including housekeeping (we were the only people staying in the hotel at the time), I actually looked at the usgs site later to see if there had been a small quake. Now I wonder if it is possible if what I was seeing and feeling is what you described.