@misc{indiciae466dc0daa463, title = {United States earthquakes, 1973}, author = {J.L. Coffman and C. A. von Hake and William Spence and D. L. Carver and P. A. Covington and G.J. Gunthy and W.L. Irby and W. J. Person and C. W. Stover}, year = {1984}, doi = {10.3133/ofr84973}, url = {https://pubs.usgs.gov/publication/ofr84973}, note = {Source identifier: ofr84973} }