Terrestrial Lidar Data of the February 14, 2019, Sausalito Boulevard Landslide, Sausalito, California

Data Series 1112
By:  and 

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Abstract

On February 14, 2019, just before 2:56 am local time (Pacific Standard Time), a landslide initiated from the hillslopes above the Hurricane Gulch section of the City of Sausalito, Marin County, California. The landslide, specifically classified as a debris flow, overran a road (Sausalito Boulevard) immediately below the landslide source area and impacted a residential structure that subsequently toppled downslope and collided with another residential structure. The second structure then crossed a lower road (Crescent Avenue) that runs along the base of the slope before the mixture of soil and structural debris came to rest in and near the valley axis that drains the lower area of Hurricane Gulch.

The U.S. Geological Survey responded to this event within hours of the landslide and provided situational awareness of possible secondary landslide hazards associated with the unstable slope. The USGS also rapidly mobilized its topographic surveying capabilities (specifically, GPS and terrestrial lidar devices) and collected a three-dimensional point cloud model of the landslide source area and surrounding terrain to capture the as-failed condition of the slope for use in potential future studies. This report summarizes the methods and available data collected during this response.

Suggested Citation

Collins, B.D. and Corbett, S.C., 2019. Terrestrial lidar data of the February 14, 2019 Sausalito Boulevard Landslide, Sausalito, California: U.S. Geological Survey Data Series 1112, 12 p., https://doi.org/10.3133/ds1112.

ISSN: 2327-638X (online)

Study Area

Table of Contents

  • Introduction
  • Topographic and Geomorphologic Setting
  • Methods
  • Results
  • Summary
  • Acknowledgments
  • References Cited

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Terrestrial lidar data of the February 14, 2019 Sausalito Boulevard Landslide, Sausalito, California
Series title Data Series
Series number 1112
DOI 10.3133/ds1112
Year Published 2019
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Geology, Minerals, Energy, and Geophysics Science Center
Description Report: iv, 12 p.; Data Release
Country United States
State California
City Sausalito
Online Only (Y/N) Y
Additional Online Files (Y/N) Y