{
  "event_id": "nile-valley-2009",
  "name": "Nile Valley western failure",
  "source_coordinate": {
    "latitude": 46.816768,
    "longitude": -120.920453,
    "basis": "USGS global landslide seismic catalog event 33."
  },
  "source_interval": {
    "start_at": "2009-10-11T14:36:42Z",
    "end_at": "2009-10-11T14:38:50Z",
    "basis": "USGS global landslide seismic catalog event 33 origin plus its 128-second manually picked high-frequency duration."
  },
  "mechanism": "A large slow-moving landslide crossed State Route 410, dammed and redirected the Naches River, and caused upstream and diversion flooding.",
  "sources": [
    {
      "url": "https://doi.org/10.5066/P13FCYQO",
      "supports": "source coordinate, source time, high-frequency duration, and western-failure volume"
    },
    {
      "url": "https://www.environment.fhwa.dot.gov/Pubs_resources_tools/resources/eei_awards/2011wa_2.aspx",
      "supports": "Nile Valley landslide identity, river damming and redirection, flooding, and infrastructure damage"
    },
    {
      "url": "https://dnr.wa.gov/sites/default/files/2025-03/ger_list_large_landslides.pdf",
      "supports": "independent state inventory record of the Naches River blockage and flooding"
    }
  ]
}