How Alaska seismologists detected North Korea’s nuke test

The suspected North Korean nuclear test as recorded on seismic stations across Alaska. (Courtesy of AK Earthquake Center’s Twitter)A North Korean nuclear bomb test was detected in Alaska. State seismologist Michael West said Alaska Earthquake Information Center seismometers clearly registered the underground blast Saturday.
“An explosion of magnitude 6.3 is something that can be viewed or recorded, really all around the globe,” West said.
West says the center seismometers, whic