Thursday 29 November 2018

What caused mysterious strange seismic waves that shook the world on November 11th leaving scientists and experts baffled

Chart Credit Daily Mail

Thank you Dr Carol Rosin

Mysterious, strange seismic waves that shook the world on November 11 are baffling researchers and has the internet buzzing.
The seismic waves began roughly 15 miles off the shores of a Mayotte, a French island sandwiched between Africa and the northern tip of Madagascar.
According to National Geographic, the seismic waves buzzed across Africa, ringing sensors in Zambia, Kenya, and Ethiopia.
They traversed vast oceans, humming across Chile, New Zealand, Canada, and even Hawaii nearly 11,000 miles away.
These waves didn't just zip by; they rang for more than 20 minutes.
And yet, it seems, no human felt them.
Only one person noticed the odd signal on the U.S. Geological Survey's real-time seismogram displays.
An earthquake enthusiast who uses the handle @matarikipax saw the curious zigzags and posted images of them to Twitter.
That small action kicked off another ripple of sorts, as researchers around the world attempted to suss out the source of the waves.
Was it a meteor strike?
A submarine volcano eruption?
An ancient sea monster rising from the deep?
“I don't think I've seen anything like it,” says Göran Ekström, a seismologist at Columbia University who specializes in unusual earthquakes.
The waves are similar to those typically seen after large earthquakes, which are known to travel great distances – but, no such earthquake took place.

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