@misc{indiciaeac436d7b6ece, title = {Special earthquake report for the September 1, 1981, Samoa Islands region earthquake}, author = {R.E. Needham and R.P. Buland and G. L. Choy and J. W. Dewey and E.R. Engdahl and S.A. Sipkin and W. Spence and M.D. Zirbes}, year = {1982}, doi = {10.3133/ofr82781}, url = {https://pubs.usgs.gov/publication/ofr82781}, note = {Source identifier: ofr82781} }