Possible explanation for booms across the world?

Live Science: Earth's Magnetic Field Booms Like a Drum, But No One Can Hear It.

"You may not be able to hear it, but Earth's magnetic shield booms like a drum when it's bombarded by strong impulses, including those from solar wind, a new study finds."

https://www.livescience.com/64748-earth-magnetic-field-booms-like-drum.html