A swarm of more than 40 earthquakes in 24 hours is causing a buzz in the northwest US

(CNN) One of North America's most active fault lines sprung to life on Tuesday after a swarm of more than 40 earthquakes -- ranging from a magnitude 3.5 to 5.8 -- rattled off the coast of Oregon, catching the attention and concern of millions in the ...

source https://www.cnn.com/2021/12/08/weather/earthquake-swarm-oregon/index.html