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Album caption: Cape Fortunes (False Cape) landslide, one of the largest landslides triggered by the 1906 shock. View toward toe showing extension of toe into Pacific Ocean in background. Similar photograph previously published by Lawson and others (1908, pl. 127B) with caption "Earth-slump at Cape Fortunas, Humboldt County." Humboldt County, California. 1906. Published as figure 67-B in U. S. Geological Survey. Professional paper 993. 1978. (Not available from U. S. G. S. Photo Library. Photograph by A.S. Eakle, courtesy of The Bancroft Library, University of California, Berkeley.)
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The travel time map was generated using the Pedestrian Evacuation Analyst model from the USGS. The travel time analysis uses ESRI's Path Distance tool to find the shortest distance across a cost surface from any point in the hazard zone to a safe zone. This cost analysis considers the direction of movement and assigns a higher cost to steeper slopes, based on a table contained within the model. The analysis also adds in the energy costs of crossing different types of land cover, assuming that less energy is expended walking along a road than walking across a sandy beach. To produce the time map, the evacuation surface output from the model is grouped into 1-minute increments for easier visualization. The times in...


map background search result map search result map Cape Fortunes (False Cape) landslide,  Humboldt County, California. 1906. Tsunami Evacuation Travel Time Map for Humboldt County, CA, 2010, for Bridges Intact and a Fast Walking Speed USGS Topo Map Vector Data (Vector) 16044 Fortuna, California 20180919 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 26411 Lonesome Ridge, California 20180919 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 28539 McWhinney Creek, California 20180919 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 40275 Scotia, California 20180918 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 47982 Weitchpec, California 20181004 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 49226 Willow Creek, California 20181004 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 50005 Yager Junction, California 20181004 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16418 French Camp Ridge, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 2404 Bark Shanty Gulch, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 33740 Owl Creek, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 4316 Blake Mountain, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 33446 Orleans Mountain, California 20180920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 34909 Petrolia, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 40984 Shelter Cove, California 20180920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 19324 Hardy, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 37634 Renwick, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 44927 Thor, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 48139 West Bend, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16044 Fortuna, California 20180919 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 26411 Lonesome Ridge, California 20180919 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 28539 McWhinney Creek, California 20180919 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 40275 Scotia, California 20180918 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 47982 Weitchpec, California 20181004 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 49226 Willow Creek, California 20181004 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 50005 Yager Junction, California 20181004 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16418 French Camp Ridge, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 2404 Bark Shanty Gulch, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 33740 Owl Creek, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 4316 Blake Mountain, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 33446 Orleans Mountain, California 20180920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 34909 Petrolia, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 40984 Shelter Cove, California 20180920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 19324 Hardy, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 37634 Renwick, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 44927 Thor, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 48139 West Bend, Iowa 20190321 for 7.5 x 7.5 minute Shapefile Tsunami Evacuation Travel Time Map for Humboldt County, CA, 2010, for Bridges Intact and a Fast Walking Speed Cape Fortunes (False Cape) landslide,  Humboldt County, California. 1906.