Alan Kafka
Weston Observatory
Department of Earth and Environmental Sciences
Boston College

On August 12, 2018, the magnitude 6.4 earthquake that occurred in northern Alaska was recorded by Weston Observatory. Below is a seismogram of this earthquake (and a magnitude 6.4 aftershock) recorded on one of our “Raspberry Shake” seismographs.

For more information about this earthquake see:

Large Earthquake in the Arctic National Wildlife Refuge Raises Questions About New Oil Drilling Leases (temblor.net)

Additional information about this earthquake can also be found on the U.S. Geological Survey earthquake monitoring website.