The earthquake that happened in September 28, 2018, Indonesia’s Sulawesi island. The earthquake itself was an unusual and incredibly fast breed of temblor known as supershear. The quake traveled through the earth at nearly 9,200 miles an hour fast enough to get from LA to New York City in 16 mins. Why does this matter?

For more info, please read the original article by National Geographic:
https://www.nationalgeographic.com/science/2019/02/deadly-earthquake-supersonic-supershear-speed-indonesia/