Stephen leads the Landslide Disaster Assistance Team (LDAT) which was co-founded by the U.S. Geological Survey (USGS) and U.S. Agency for International Development’s Bureau for Humanitarian Assistance (USAID/BHA).
LDAT strives to support foreign partners on landslide hazards through training, hazards education, and emergency response. LDAT assists foreign partners, upon their request, with technical capacity building on issues they have identified as priorities for disaster risk reduction related to landslide hazards. Our goal is to support and empower foreign partners so they can take the lead in identifying and mitigating landslides hazards in their home countries. Stephen also assists in domestic landslide emergency response, coordinating with first responders and decision-makers to provide geologic hazard situational awareness.
Science and Products
Landslides triggered by the August 14, 2021, magnitude 7.2 Nippes, Haiti, earthquake
When hazard avoidance is not an option: Lessons learned from monitoring the postdisaster Oso landslide, USA
Landslides across the United States: Occurrence, susceptibility, and data limitations
Science and Products
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Landslides triggered by the August 14, 2021, magnitude 7.2 Nippes, Haiti, earthquake
The August 14, 2021, magnitude 7.2 Nippes, Haiti, earthquake triggered thousands of landslides on the Tiburon Peninsula. The landslides directly caused fatalities and damage and impeded response efforts by blocking roads and causing other infrastructure damage. Adverse effects of the landslides likely will continue for months to years. This report presents an assessment of potential postearthquakeWhen hazard avoidance is not an option: Lessons learned from monitoring the postdisaster Oso landslide, USA
On 22 March 2014, a massive, catastrophic landslide occurred near Oso, Washington, USA, sweeping more than 1 km across the adjacent valley flats and killing 43 people. For the following 5 weeks, hundreds of workers engaged in an exhaustive search, rescue, and recovery effort directly in the landslide runout path. These workers could not avoid the risks posed by additional large-scale slope collapsLandslides across the United States: Occurrence, susceptibility, and data limitations
Detailed information about landslide occurrence is the foundation for advancing process understanding, susceptibility mapping, and risk reduction. Despite the recent revolution in digital elevation data and remote sensing technologies, landslide mapping remains resource intensive. Consequently, a modern, comprehensive map of landslide occurrence across the United States (USA) has not been compiled - News