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Science & Technology

Worldwide mystery hum has been solved at last

January 12, 2020 | Comment icon 5 comments



The hum had been puzzling researchers for months. Image Credit: CC BY-SA 3.0 NikoLang
Scientists have discovered the source of the mysterious humming sound that had been heard around the world.
The anomalous seismic hum was first picked up back in November 2018 and was thought to have originated near Mayotte - a small island between Madagascar and Mozambique.

At the time, it "triggered the curiosity of the scientific community" owing to the fact that it seemed to ring at a single ultra-low frequency and circled the planet without any sign of an earthquake.

More than 400 instances of the hum were picked up by seismologists across the world.

The culprit was finally revealed when, a few months later, it was discovered that a new underwater volcano had formed off Mayotte, pushing the island several inches to the south-east.
A French oceanographic mission later revealed that the new volcano was absolutely huge - measuring 3.1 miles across and 0.5 miles high - however it still wasn't clear how it had produced the hum.

Now a new study has finally lifted the lid on the mystery by revealing that the hum was actually triggered by earthquakes shaking a particular area above the volcano's magma reservoir.

Known as the overburdern, this area had weakened and sagged as the reservoir emptied.

While the volcano is now fully formed however, more earthquakes could still occur.

"There are still possible hazards for the island of Mayotte today," one of the study's senior researchers said in a statement.

"The Earth's crust above the deep reservoir could continue to collapse, triggering stronger earthquakes."

Source: Live Science | Comments (5)


Recent comments on this story
Comment icon #1 Posted by Hazzard 2 years ago
Yea, science, bit(h!!
Comment icon #2 Posted by RoofGardener 2 years ago
Hmmm.....
Comment icon #3 Posted by WolfHawk 2 years ago
So what about the other "mystery hums" we have been hearing about in the last 80 years or more?
Comment icon #4 Posted by Hazzard 2 years ago
Could be the same cause, or some other yet to be explained natural or manmade phenomenon.
Comment icon #5 Posted by Wes83 2 years ago
Read an article today stating we are experiencing a rather extreme uptick in volcanic eruptions right now-anyone have any other info on this? Or numbers to compare? Only one sight is reporting that the amount of volcanos going off is unusual, most are only reporting on one. † disregard, quick google search showed all is normal..... or is it?? Lol


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