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Closest easily available BRB seismic station is GE SBV in north Madagascar.pic.twitter.com/eoYXb7xbl8
SBV, like the other stations, shows long monochromatic signal with ~17s period (mono-freq Rayleigh waves?). But filtered above 1Hz SBV (lower plot) also shows seismic(?) signals from repeating sources, with some ~50s apart. Maybe some large, shallow, oscillating volcanic source?pic.twitter.com/bPqdQFwAgm
Assuming epicenters just east of Mayotte, high-frequency (lower trace) arrivals at SBV correspond well to P & S from at least 3 sources resembling tectonic earthquakes, & the long period wave train (upper trace) correspond to the set of Rayleigh surface waves from these sources.pic.twitter.com/zOvAPFxonW
So in other words some event, of uncertain type but perhaps volcanic in nature, caused three quakes in quick succession & generated an ultra-low-frequency signal which was detected around most of the world?
Should be something near the center of the earth...
Why do you believe this might be the case?
what other source could it be if not volcanic? why the question mark after volcanic and is there something else that could generate this someone mentioned submarine possibly
The source could be indirectly related to current or past volcanic activity, like a large slumping of the flank of an underwater slope or volcano, as happens in Hawaii: http://seismo.berkeley.edu/blog/2018/05/07/a-slow-emergency-and-a-sudden-slump.html …
You should refer this to SETI. Can we rule out that it might be a signal communicated via gravity?
I found an anomaly. Nature abhors straight lines, I was told.pic.twitter.com/Ryq6eZX6WN
A Submarine Vulcano? #EarthquakesOnTheWorld
#Madagascar
The only explanation for is to look at technologie the only object capable of ringing is a bell and bells are hollow ,the conclusion is therefore simple how improbable is seems hollow earth or an impartial hollow cave
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