The preliminary determination of epicenters (PDE) bulletin / Earthquake Hazards Program.
- Physical Description: 1 online resource
- Publisher: [Reston, Virginia] : USGS, 1964-
|Linking Entry Complexity Note:|| Merger of: PDE monthly listing, and: Preliminary determination of epicenters (Weekly : Online).
|Source of Description Note:|| Description based on contents viewed July 14, 2016; title from web page.
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|Subject:||Earthquake prediction > Statistics.