For over 60 years, seismologists have been tracking a mysterious rhythmic pulse that ripples through the #Earth's crust every 26 seconds.
Researchers have traced the sound to a specific spot off the coast of #Africa, but they still do not know if it is caused by crashing #ocean #waves or a hidden #underwater #volcano.
#geology #science #STEM #earthquake #oceanography #volcanology #Nature #Curiosity