Earthquake hypocenters in Washington and northern Oregon, 1987-1989, and operation of the Washington Regional Seismograph Network
By: by R.S. Ludwin ... [et al.].
Contributors: Ludwin, R. S.
Series: Information circular / Washington Division of Geology and Earth Resources -- 89.; Information circular (Washington (State). Division of Geology and Earth Resources) -- 89.
Publisher: Washington State Dept. of Natural Resources, Division of Geology and Earth Resources
Published: 1994
Place of publication: Olympia, WA
Language: eng
Number of pages: 40
Subjects: Earthquakes -- Washington (State); Earthquakes -- Oregon.