> Furthermore, shallow moonquakes lasted a remarkably long time. Once they got going, all continued more than 10 minutes. "The moon was ringing like a bell," Ne

> Furthermore, shallow moonquakes lasted a remarkably long time. Once they got going, all continued more than 10 minutes. "The moon was ringing like a bell," Neal says. (2006) https://www.nasa.gov/exploration/home/15mar_moonquakes.html https://www.nasa.gov/exploration/home/15mar_moonquakes.html