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Statewide Landslide Information Database for Oregon, release 4 (SLIDO-4.0), by Jon J. Franczyk, William J. Burns, and Nancy C. Calhoun

View SLIDO-4.0 data on interactive map. The SLIDO-4.0 publication contains additional data not shown on the interactive web map.

Access web services and metadata links.

SLIDO-4.0 text report only (PDF) | Complete publication: report and GIS data (.zip file)

One of the most common and devastating geologic hazards in Oregon is landslides. Average annual repair costs for landslides in Oregon exceed $10 million, and severe winter storm losses can exceed $100 million. As population growth continues and development into landslide susceptible terrain occurs, damage and loss from this natural hazard will continue to grow. DOGAMI created the Statewide Landslide Information Database for Oregon to improve the understanding of landslide hazards in Oregon and to provide a statewide base level of landslide data.

SLIDO-4.0 supersedes all previous releases of SLIDO.

Comparison of SLIDO releases:

  Landslide Polygons Studies Used Historical Landslide Point Locations Susceptibility Data
SLIDO-1 15,093 257 0 no
SLIDO-2 22,154 313 10,636 no
SLIDO-3.0 37,226 347 12,075 no
SLIDO-4.0 47,586 357 13,994 yes

A landslide susceptibility map shows modeled data that predicts the potential of a region or area to have landslides. SLIDO 4.0 includes three kinds of landslide susceptibility data:

DISCLAIMER
This product is for informational purposes and may not have been prepared for or be suitable for legal, engineering, or surveying purposes. Users of this information should review or consult the primary data and information sources to ascertain the usability of the information. This publication cannot substitute for site-specific investigations by qualified practitioners. Site-specific data may give results that differ from
the results shown in the publication.

FUNDING
Funding for SLIDO-4.0 provided in part by FEMA through an interagency agreement with OEM (HMGP DR-4258-OR).

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