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The seismic signal was initially sourced by scientists, apparently, the product of an underlying volcanic activity, such as street inflation or deflation, or the lower magma movement of the sea shore.
A dedicated seismologist ultimately managed to reveal the strange seismic event surrounding Mayotte. A French island between the Peninsula of Africa and Madagascar in the Mozambique Channel
Earlier in November, scientists stopped discoveries of low frequency tremors when they discovered "seismic rumors about the planetary earthquake".
Yep folks, something biggggg, still terribly slow, sent seismic surfaces of large part of the planet yesterday. The events seem to have occurred in the west of Madagascar. The best analogy of the sun is the long roof of the volcanic chamber of the volcanoes. Thread?#twitterscience https://t.co/nb8qsUY8M8
– Stephen Hicks (@seismo_steve) November 12, 2018
And now, an independent consultant seismology named Anthony Lomax said Daily Mail's rumors "caused a low level underwater volcanic eruption in northeastern Mayotte".
"The inflation / deflation and collapse of volcanoes, and the magma movement beneath a volcano, can generate many seismic signals, including long-term and repetitive waves, as seen on November 11," explained Lomax.
Enigmatic rumors were detected earlier on November 11, causing low-frequency waves to be caused by milletous sensors, outside the original location, but at the same time noticed by the local population.
In May and November this Mayotte island was affected by low-level earthquakes and, on May 15, reached the highest level of 5.8.