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9 lis 2016 · Volcano hazard map showing the extent of lahar hazards in towns and valleys surrounding Mt. Rainier in Washington. Image credit: USGS.
Are you ready for an eruption? (Interpretive Sign) USGS Simplified Hazard Map. USGS Official Hazard Map (detailed) DNR - Portal Hazard Map. USGS Information for Users of Web Portal Maps. Pierce County wants to hear from you. Please select one of the following to talk to elected officials and staff, or to report problems in our community.
8 lis 2023 · View Media Details. This map shows areas that could be affected by debris flows, lahars, lava flows, and pyroclastic flows from Mount Rainier if events similar in size to past events occurred today.
7 lis 2023 · Map shows simplified geology of Mount Rainier volcano, Washington. Ka indicates thousands of years before present. (Public domain.)
The Osceola Mudflow, also known as the Osceola Lahar, was a debris flow and lahar in the U.S. state of Washington that descended from the summit and northeast slope of Mount Rainier, a volcano in the Cascade Range during a period of eruptions about 5,600 years ago.
U.S. Geological Survey (USGS) research shows that Mount Rainier is one of our Nation's most dangerous volcanoes. It has been the source of countless eruptions and volcanic mudflows (lahars) that have surged down valleys on its flanks and buried broad areas now densely populated.
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