Keep an eye out for landslide risks after record autumn rains — Ear to the Ground

This autumn has been one of the most consistently-rainy in western Washington records, meaning you should keep a sharp eye out for landslides. Prolonged rain increases the chances of shallow landslides on hillsides and other steep slopes. According to the National Weather Service’s Seattle office, western Washington has seen more days of rain in October […]

Portal Update

We’ve updated some of the data on our Geologic Portal including: tsunami evacuation maps and surface geology at 1:24,000 and 1:100,000 scales. For tsunami evacuation, we’ve fixed some wonky data and more importantly, added the evacuation zones and routes for the area surrounding the Port of Tacoma. We’ve also updated our 24k geologic mapping data with […]

Newly Published:

Geologic Map of the Granite Falls 7.5-minute Quadrangle, Snohomish County, Washington This publication is the result of our yearly 1:24,000-scale mapping efforts throughout the state and provide a detailed level of geologic mapping. Efforts are on-going to completely map the state at this scale. Suggested citation: Dragovich, J. D.; Mavor, S. P.; Anderson, M. L.; Mahan, […]

Newly Published:

Geologic Map of the Shelton Valley 7.5-minute Quadrangle, Mason County, Washington This publication is the result of our yearly 1:24,000-scale mapping efforts throughout the state and provide a detailed level of geologic mapping. Efforts are on-going to completely map the state at this scale. Suggested citation: Polenz, Michael; Allen, M. D.; Legorreta Paulín, Gabriel; Eungard, […]

World Tsunami Awareness Day

In December 2015, the United Nations General Assembly designated Nov. 5 as World Tsunami Awareness Day, calling on all international bodies, countries, nongovernmental organizations, and individuals to observe the day to raise tsunami awareness and share innovative approaches to risk reduction, both before and after a tsunami. This year, the focus of World Tsunami Awareness Day is […]

Coolest Interpretive Sign in Olympia

Last week, we celebrated the addition of a new interpretive sign at Kettle View Park, here in Olympia. The Geology Division worked closely with the City of Olympia to produce an innovative explanation of the area’s glacial history for visitors. Why the Sign? Located within the Budd Inlet kettle train, Kettle View Park offers proximity to several large […]

October TsuInfo Now Available

This issue of TsuInfo includes articles on: New Without Warning! Tsunami comic released A new comic book, Without Warning! Tsunami, is the latest collaboration by TsuInfo partners to bring preparedness messaging to youth. In 2013, Oregon Office of Emergency Management’s Geologic Hazards Program Coordinator Althea Rizzo approached Dark Horse Comics with a proposal. An avid comic book fan herself, Rizzo […]

Newly Published: San Juan Tsunami Inundation Hazard Maps

Tsunami Hazard Maps of the San Juan Islands, WA —Model Results from a Cascadia Subduction Zone Earthquake Scenario This new publication is part of a collaborative effort to show areas at risk of inundation by tsunamis that are generated from large earthquakes. See other reports and maps on our Tsunami Inundation webpage. For more on […]