Strange. Is buzzing around all the conspiracy sites. And local news.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
718 PM EST WED MAR 9 2011
JACKSON-CALHOUN-INLAND GULF-INLAND FRANKLIN-GADSDEN-LEON- INLAND JEFFERSON-LIBERTY-INLAND WAKULLA-COASTAL GULF-COASTAL FRANKLIN-COASTAL JEFFERSON-COASTAL WAKULLA-SEMINOLE-DECATUR-GRADY-THOMAS
718 PM EST WED MAR 9 2011 /618 PM CST WED MAR 9 2011/
...STRANGE SOUNDS BEING REPORTED ACROSS THE FLORIDA BIG BEND...
THERE HAVE BEEN SEVERAL REPORTS OF VERY STRANGE SOUNDS FROM THE WOODVILLE AREA SINCE ABOUT 645 PM EST. THE NATIONAL WEATHER SERVICE BELIEVES THIS PHENOMENON IS BEING CAUSED BY THUNDER FROM DISTANT LIGHTNING STROKES... BOUNCING OFF A VERY STABLE LAYER ABOVE THE GROUND. THIS IS CALLED DUCTING...AND CAN ALLOW SOUND TO TRAVEL UNUSUALLY LONG DISTANCES. THIS SOUND HAS BEEN MISTAKENLY ATTRIBUTED TO POSSIBLE TORNADOES...BUT WE AT THE NATIONAL WEATHER SERVICE WANT TO BE VERY CLEAR THAT THERE ARE NO TORNADOES ... AND NONE ARE EXPECTED
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The USGS chooses what to publish. This is a good video that shows the actual seismographs indicating the rumbling for 40 minutes.
http://www.youtube.com/watch?v=7B5xCTqVvdw&feature=youtube_gdata_player
I tend to think it's the ducting as explained by the WX Service.
For conspiracy theorists I suggest looking up "TAOS HUM" on both Google and YouTube. I don't buy into that.
I also think the jet jockeys are up there getting proficient at what they have to do, plus the ground guys have to do the same.
Naaa not jets, we know what those sound like. Its was more like loud quick underground explosions, like the bunker buster bombs. I think there drilling more tunnels with the big worm machine again for more underground thruways. Although, FL is not the best place id be drilling those, we dont have alot of bedrock here for structure and alot of underground springs could cause them big problems.
In that video, it sounds like a tornadoe, but you can almost hear the tinny steel to rock crunching noise like if you have ever walked alongside a big bulldozer at it tears up the earth and craushes rock. Now picture that underground server hundred feet and all you hear is a hollow echo. It even pauses for moments to let the cutting blades cool down or hydraulics recover it seems. Im want to stick a recorder probe in the ground and let it run for a week or so. This is strange.
There are called OIL PIPES! LOL