TY - RPRT TI - Hawaiian Volcano Observatory summary 89 part 1: Seismic data, January to December 1989 AU - Jennifer S. Nakata AU - Robert Y. Koyanagi AU - Wilfred R. Tanigawa AU - Alvin H. Tomori AU - Paul G. Okubo PY - 1991 DO - 10.3133/ofr91564 UR - https://pubs.usgs.gov/publication/ofr91564 ID - ofr91564 ER -